CN212134453U

CN212134453U - Knocking device for tunnel detection

Info

Publication number: CN212134453U
Application number: CN202020014294.4U
Authority: CN
Inventors: 胡国军
Original assignee: Anhui Lutong Highway Engineering Inspection Co ltd
Current assignee: Anhui Lutong Highway Engineering Inspection Co ltd
Priority date: 2020-01-04
Filing date: 2020-01-04
Publication date: 2020-12-11
Anticipated expiration: 2030-01-04

Abstract

The utility model belongs to the technical field of tunnel detection equipment, in particular to a knocking device for tunnel detection, which comprises a shell, wherein the inner cavity of the shell is rotationally connected with a cam, the two sides of the surface of the cam are rotationally connected with a first movable rod and a second movable rod respectively, one end of the first movable rod, which is far away from the cam, is rotationally connected with a first fixed block, and one end of the second movable rod, which is far away from the cam, is rotationally connected with a second fixed block; the utility model discloses a first movable rod drives the cam and rotates, the cam drives the motion of second movable rod, the second movable rod drives the motion of second fixed block, the second fixed block drives the motion of second slide bar, the motion of second slide bar drive striking rod, striking rod drive strikes ball motion and strikes the ball detection to the tunnel, solved and examined time measuring to the tunnel at present, the workman carries out strike detection many times to the tunnel with handheld sledgehammer usually, the too difficult dynamics that keeps striking at every turn of manual work is unanimous, so can cause to strike the problem that detects the accuracy low.

Description

Knocking device for tunnel detection

Technical Field

The utility model relates to a tunnel check out test set technical field especially relates to a knocking device that tunnel detection used.

Background

The tunnel is after the construction is accomplished, need the manual work to detect the tunnel and strike, come to detect the quality in tunnel for this, examine time measuring at present the tunnel, usually the workman strikes the tunnel many times with handheld sledgehammer and detects, nevertheless artifical difficult dynamics that keeps striking at every turn is unanimous, so can cause to strike and detect the accuracy low, strike detection accuracy in order to improve, the workman can drop from the same height with handheld iron ball and strike the test, but when the iron ball dropped from the eminence, can drop in different positions, so can increase artificial intensity of labour, for solving above-mentioned problem, provide a knocking device that the tunnel detected the usefulness in this application.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a knocking device that tunnel detection used has the high characteristics of accuracy.

(II) technical scheme

In order to solve the problem, the utility model provides a knocking device that tunnel detection used, which comprises a housin, the inner chamber of casing rotates and is connected with the cam, the both sides of cam surface are rotated respectively and are connected with first movable rod and second movable rod, the one end that the cam was kept away from to first movable rod rotates and is connected with first fixed block, the one end that the cam was kept away from to the second movable rod rotates and is connected with the second fixed block, the first slide bar of one side fixedly connected with of first movable rod is kept away from to first fixed block, one side fixedly connected with second slide bar of second movable rod is kept away from to the second fixed block, the welding of the top of first slide bar has the pull rod, the top of pull rod runs through the casing inner chamber and the welding has the first in command, the welding of the bottom of second slide bar has the knocking pole, the fixed welding in bottom of knocking the.

Preferably, the outer side of the pull rod is connected with a first limiting plate in a sliding mode, and the outer side of the first limiting plate is welded with the inner wall of the shell.

Preferably, the outside cover of pull rod is equipped with first spring, the outside welding of the top of first spring and first limiting plate, the bottom of first spring and the top welding of first slide bar.

Preferably, the top of the first sliding rod is welded with a second spring, the top of the second spring is welded with the inner wall of the shell, and the number of the second springs is three.

Preferably, the outer side of the knocking rod is slidably connected with a second limiting plate, and the outer side of the second limiting plate is welded with the inner wall of the shell.

Preferably, the top of the shell is welded with a second handle, anti-skidding sleeves are arranged on the second handle and the outer sides of the first handle, and anti-skidding lines are arranged on the outer sides of the anti-skidding sleeves.

Preferably, the two ends of the first sliding rod are fixedly connected with first sliding blocks, first sliding grooves matched with the first sliding blocks are formed in the upper portions of the two sides of the inner wall of the shell, and the inner wall of each first sliding groove is connected with the outer sides of the first sliding blocks in a sliding mode.

Preferably, the two ends of the second sliding rod are fixedly connected with second sliding blocks, second sliding grooves matched with the second sliding blocks are formed in the upper portions of the two sides of the inner wall of the shell, and the inner wall of each second sliding groove is connected with the outer sides of the second sliding blocks in a sliding mode.

The above technical scheme of the utility model has following profitable technological effect:

1. the utility model discloses a first movable rod drives the cam and rotates, the cam drives the motion of second movable rod, the motion of second fixed block is driven to the second movable rod, the motion of second slide bar is driven to the second fixed block, the motion of second slide bar drive strikes the pole, strike the pole and drive and strike the ball motion and strike the detection to the tunnel, solved and examined time measuring to the tunnel at present, usually the workman strikes the detection to the tunnel many times with handheld sledgehammer, but the manual work is difficult to keep the dynamics of striking at every time unanimous, so can cause the problem that strikes the detection accuracy low;

2. the utility model is provided with the first limit plate to limit the motion of the pull rod, thereby avoiding the phenomenon that the pull rod shakes and deflects in the motion process due to the lack of a limit device, improving the stability of the pull rod in the motion process, not only limiting the motion of the pull rod again through the arrangement of the first spring, simultaneously improving the knocking force of the knocking rod in the use process of the device, limiting the motion of the first slide rod through the arrangement of the second spring, improving the stability of the first slide rod in the motion process, simultaneously improving the knocking force of the knocking rod again, limiting the motion of the knocking rod through the arrangement of the second limit plate, avoiding the phenomenon that the knocking rod shakes and deflects in the motion process due to the lack of the limit device, increasing the friction force between the hand of a user and the first handle and the second handle through the arrangement of the first limit plate, avoided because of lacking antiskid, lead to the phenomenon that the user appears rocking in the use, cooperation through setting up first slider and first spout is used, the frictional force between first slide bar and the casing has been reduced, the slip of first slide bar in the casing has been made things convenient for, the effectual life who prolongs first slide bar and casing, cooperation through setting up second slider and second spout is used, the frictional force between second slide bar and the casing has been reduced, the slip of second slide bar in the casing has been made things convenient for, the effectual life who prolongs second slide bar and casing.

Drawings

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

fig. 2 is a schematic view of the internal structure of the housing of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

Reference numerals:

1. a housing; 2. a cam; 3. a first movable bar; 4. a second movable bar; 5. a first fixed block; 6. a second fixed block; 7. a first slide bar; 8. a second slide bar; 9. a pull rod; 10. a first handle; 11. a knock bar; 12. a first limit plate; 13. a first spring; 14. a second spring; 15. a second limiting plate; 16. a second handle; 17. an anti-slip sleeve; 18. a first slider; 19. a first chute; 20. a second slider; 21. a second runner.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the utility model provides a knocking device that tunnel detection used, which comprises a housin 1, the inner chamber of casing 1 rotates and is connected with

cam

2, 2 surperficial both sides of cam are rotated respectively and are connected with first movable rod 3 and second movable rod 4, the one end that cam 2 was kept away from to first movable rod 3 rotates and is connected with first fixed block 5, the one end that cam 2 was kept away from to second movable rod 4 rotates and is connected with second fixed block 6, first fixed block 5 keeps away from first movable rod 3's one side fixedly connected with first slide bar 7, second movable rod 4's one side fixedly connected with second slide bar 8 is kept away from to second fixed block 6, the top welding of first slide bar 7 has pull rod 9, the top of casing 1 inner chamber is run through and the welding has first in command 10 in command in.

As shown in fig. 2, the outside sliding connection of pull rod 9 has first limiting plate 12, and the outside of first limiting plate 12 and the inner wall welding of casing 1 through setting up first limiting plate 12, carry on spacingly to the motion of pull rod 9, have avoided because of lacking stop device, lead to pull rod 9 to appear rocking, the phenomenon of skew in the motion process, have improved the stability of pull rod 9 in the motion process.

As shown in figure 2, the outside cover of pull rod 9 is equipped with first spring 13, and the top of first spring 13 welds with the outside of first limiting plate 12, and the bottom of first spring 13 welds with the top of first slide bar 7, through setting up first spring 13, not only carries out spacing once more to the motion of pull rod 9, has improved the dynamics of knocking that this device knocked pole 11 in the use simultaneously.

As shown in fig. 2, the second spring 14 is welded at the top of the first sliding rod 7, the top of the second spring 14 is welded with the inner wall of the shell 1, the number of the second springs 14 is three, and the movement of the first sliding rod 7 is limited by the arrangement of the second springs 14, so that the stability of the first sliding rod 7 in the movement process is improved, and the knocking force of the knocking rod 11 is improved again.

As shown in fig. 2, the outside sliding connection of knocking rod 11 has second limiting plate 15, and the outside of second limiting plate 15 and the inner wall welding of casing 1 through setting up second limiting plate 15, carry on spacingly to knocking rod 11's motion, avoided because of lacking stop device, lead to knocking rod 11 appearing rocking, the phenomenon of skew in the motion process.

As shown in figures 1 and 2, the second handle 16 is welded on the top of the shell 1, the anti-slip sleeves 17 are arranged on the second handle 16 and the outer sides of the first handle 10, anti-slip threads are arranged on the outer sides of the anti-slip sleeves 17, and by arranging the anti-slip sleeves 17, the friction force between the hands of a user and the first handle 10 and the second handle 16 is increased, so that the phenomenon that the user shakes in the using process due to lack of anti-slip devices is avoided.

As shown in fig. 2, the first sliding blocks 18 are fixedly connected to two ends of the first sliding rod 7, the first sliding grooves 19 used in cooperation with the first sliding blocks 18 are formed in the upper portions of two sides of the inner wall of the casing 1, the inner wall of each first sliding groove 19 is connected with the outer sides of the first sliding blocks 18 in a sliding mode, and the first sliding blocks 18 and the first sliding grooves 19 are used in a matching mode, so that friction between the first sliding rod 7 and the casing 1 is reduced, sliding of the first sliding rod 7 in the casing 1 is facilitated, and the service lives of the first sliding rod 7 and the casing 1 are effectively prolonged.

As shown in fig. 2, both ends of the second sliding rod 8 are fixedly connected with the second sliding blocks 20, the upper portions of both sides of the inner wall of the casing 1 are provided with the second sliding grooves 21 matched with the second sliding blocks 20 for use, the inner wall of the second sliding grooves 21 is connected with the outer sides of the second sliding blocks 20 in a sliding manner, the second sliding blocks 20 and the second sliding grooves 21 are matched for use, friction force between the second sliding rod 8 and the casing 1 is reduced, sliding of the second sliding rod 8 in the casing 1 is facilitated, and service lives of the second sliding rod 8 and the casing 1 are effectively prolonged.

In this embodiment, it should be noted that, when the device is not used, both the first spring 13 and the second spring 14 are in the initial state, that is, do not deform.

The utility model provides a pair of knocking device that tunnel detection used's theory of operation as follows:

when the tunnel knocking detection device is used, a user holds the second handle 16 by using a palm, holds the first handle 10 by using fingers, drives the pull rod 9 to move through the first handle 10, drives the first slide rod 7 to move through the pull rod 9, drives the first fixed block 5 to move through the first slide rod 7, simultaneously drives the first spring 13 and the second spring 14 to deform, then drives the first movable rod 3 to move through the first fixed block 5, drives the cam 2 to rotate through the first movable rod 3, drives the second movable rod 4 to move through the cam 2, drives the second fixed block 6 to move through the second movable rod 4, drives the second slide rod 8 to move through the second fixed block 6, drives the knocking rod 11 to move through the second slide rod 8, drives the knocking rod 11 to knock the tunnel to detect knocking, after the hand is loosened, the knocking ball returns under the matched use of the first spring 13 and the second spring 14, at the moment, the user drives the pull rod 9 to move through the first handle 10 again, the aim of detecting the tunnel can be achieved by repeating the process of knocking the ball out, so that the labor intensity of a user is reduced, and the detection accuracy is improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a knocking device that tunnel detection used, includes casing (1), its characterized in that, the inner chamber of casing (1) rotates and is connected with cam (2), the both sides on cam (2) surface rotate respectively and are connected with first movable rod (3) and second movable rod (4), the one end that cam (2) were kept away from in first movable rod (3) rotates and is connected with first fixed block (5), the one end that cam (2) were kept away from in second movable rod (4) rotates and is connected with second fixed block (6), one side fixedly connected with first slide bar (7) of first movable rod (3) are kept away from in first fixed block (5), one side fixedly connected with second slide bar (8) of second movable rod (4) are kept away from in second fixed block (6), the top welding of first slide bar (7) has pull rod (9), the top of pull rod (9) runs through the top of casing (1) inner chamber and the welding has first in command (10), the bottom of the second sliding rod (8) is welded with a knocking rod (11), and the bottom of the knocking rod (11) is fixedly welded with a knocking ball.

2. Knocking device for tunnel detection according to claim 1, characterised in that a first stop plate (12) is slidably connected to the outside of said pull rod (9), and the outside of said first stop plate (12) is welded to the inner wall of the casing (1).

3. The knocking device for tunnel detection according to claim 1, wherein a first spring (13) is sleeved on the outer side of the pull rod (9), the top of the first spring (13) is welded to the outer side of the first limiting plate (12), and the bottom of the first spring (13) is welded to the top of the first slide bar (7).

4. Knocking device for tunnel detection according to claim 3, characterised in that a second spring (14) is welded on the top of said first slide bar (7), the top of said second spring (14) being welded to the inner wall of the casing (1), the number of said second springs (14) being three.

5. The knocking device for tunnel detection according to claim 1, wherein a second limiting plate (15) is slidably connected to an outer side of the knocking rod (11), and an outer side of the second limiting plate (15) is welded to an inner wall of the housing (1).

6. The knocking device for tunnel detection according to claim 1, wherein a second handle (16) is welded to the top of the casing (1), anti-skid sleeves (17) are arranged on the outer sides of the second handle (16) and the first handle (10), and anti-skid threads are arranged on the outer sides of the anti-skid sleeves (17).

7. The knocking device for tunnel detection according to claim 1, wherein both ends of the first sliding rod (7) are fixedly connected with first sliding blocks (18), the upper portions of both sides of the inner wall of the housing (1) are respectively provided with first sliding grooves (19) matched with the first sliding blocks (18) for use, and the inner wall of each first sliding groove (19) is slidably connected with the outer sides of the first sliding blocks (18).

8. The knocking device for tunnel detection according to claim 1, wherein both ends of the second sliding rod (8) are fixedly connected with second sliding blocks (20), the upper portions of both sides of the inner wall of the housing (1) are respectively provided with second sliding grooves (21) matched with the second sliding blocks (20), and the inner wall of each second sliding groove (21) is slidably connected with the outer sides of the second sliding blocks (20).