CN215375469U

CN215375469U - A scalable clamping device for tunnel wind speed detects

Info

Publication number: CN215375469U
Application number: CN202121854773.8U
Authority: CN
Inventors: 茅向前; 汤杰; 张淼
Original assignee: Zhejiang Jiaogong Transportation Technology Development Co ltd
Current assignee: Zhejiang Jiaogong Transportation Technology Development Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2021-12-31
Anticipated expiration: 2031-08-09

Abstract

The application relates to the field of tunnel detection equipment, in particular to a telescopic clamping device for detecting tunnel wind speed, which comprises a holding rod and a clamping assembly arranged at one end of the holding rod, wherein the holding rod comprises an outer rod and an inner rod embedded at one end of the outer rod in a sliding manner, and a locking piece for locking the position of the inner rod is arranged on the outer rod; the clamping assembly comprises a bearing plate arranged at one end of the outer rod, which is far away from the inner rod, two abutting parts and a screw rod are arranged on the bearing plate at intervals, the screw rod is in threaded connection with the two abutting parts, the screw rod is divided into two sections with opposite rotation directions, and the two abutting parts are in threaded fit with the two sections respectively; the bearing board is articulated with the outer pole, is equipped with the drive assembly who is used for rotating the bearing board on the outer pole. Compared with the prior art, the scheme has the effect of quickly jacking the measuring instrument to the detection point position, and can improve the efficiency of wind speed detection.

Description

A scalable clamping device for tunnel wind speed detects

Technical Field

The application relates to the field of tunnel check out test set, especially relate to a scalable clamping device for tunnel wind speed detects.

Background

Wind speed detection is one of important detection links in tunnel engineering, the mode of detecting wind speed at present is that the staff places measuring instrument in the wind speed detection point position department in the tunnel, because the position of detection point position is generally higher apart from the ground, the staff need use the instrument of ascending a height just can place measuring instrument in detection point position department, and the staff frequently climbs and climbs down and leads to the testing process loaded down with trivial details, and is consuming time longer, makes the efficiency of wind speed detection lower.

SUMMERY OF THE UTILITY MODEL

In order to promote the efficiency that wind speed detected, this application provides a scalable clamping device for tunnel wind speed detects.

The application provides a scalable clamping device for tunnel wind speed detects adopts following technical scheme:

a telescopic clamping device for detecting the wind speed of a tunnel comprises a holding rod and a clamping assembly arranged at one end of the holding rod, wherein the holding rod comprises an outer rod and an inner rod embedded at one end of the outer rod in a sliding manner, and a locking piece for locking the position of the inner rod is arranged on the outer rod; the clamping assembly comprises a bearing plate arranged at one end of the outer rod, which is far away from the inner rod, two abutting parts and a screw rod are arranged on the bearing plate at intervals, the screw rod is in threaded connection with the two abutting parts, the screw rod is divided into two sections with opposite rotation directions, and the two abutting parts are in threaded fit with the two sections respectively; the bearing board is articulated with the outer pole, is equipped with the drive assembly who is used for rotating the bearing board on the outer pole.

Through adopting above-mentioned technical scheme, when needs measured the wind speed, the staff places the measuring instrument on the loading board earlier, then rotatory screw rod makes two butt portions be close to each other in order to press from both sides tight measuring instrument, and the staff just can be with the jacking of measuring instrument to the check point position department through standing up the holding rod to can promote the efficiency of detecting the wind speed. The length that the staff stretched out the outer pole in changing, can with instrument jack-up to different height positions, also can conveniently accomodate in retracting outer pole again with interior pole simultaneously after the use. In addition, after the measuring instrument is jacked up, a worker inclines the holding rod for a certain angle to quickly adjust the height of the position where the measuring instrument is located, and at the moment, the bearing plate can be rotated by a proper angle through the driving assembly, so that the bearing plate approaches to the horizontal state, and the accuracy of wind speed detection data is ensured.

Preferably, the screw rod is located the loading board and keeps away from one side of butt portion, and the both sides of loading board are equipped with the installation department respectively, and the direction of arranging of two installation departments is the same with the extending direction of screw rod, and the screw rod passes two installation departments, two installation departments respectively with two segmentation screw-thread fit of screw rod, the one end that the screw rod was kept away from to every installation department all is connected with the butt portion of homonymy.

By adopting the technical scheme, the screw rod can be prevented from occupying the space of the bearing plate for bearing the measuring instrument, so that the bearing plate is provided with a wider position for bearing the measuring instrument with larger volume.

Preferably, the clamping assembly further comprises a limiting rod arranged on the bearing plate, the limiting rod and the screw rod are located on the same side of the bearing plate, and the two mounting portions are slidably sleeved on the limiting rod.

Through adopting above-mentioned technical scheme, when the gag lever post restriction connecting portion followed the screw rod and rotated, still can increase the degree of contact of connecting portion and loading board, and then make two butt portions can be more stable when centre gripping measuring instrument.

Preferably, drive assembly is including rotating the swivel nut of connection on the outer pole, and the axis of swivel nut is parallel with the outer pole, wears to be equipped with in the swivel nut with swivel nut screw-thread fit's actuating lever, and the one end that the actuating lever is close to the loading board is equipped with the connecting axle parallel with loading board axis of rotation, offers on the loading board to supply the connecting axle to slide to inlay the draw-in groove of establishing, and the length direction of draw-in groove is perpendicular with the length direction of connecting axle.

Through adopting above-mentioned technical scheme, when needs rotate the loading board, the staff grips the holding rod, then rotatory swivel nut, under the screw thread traction effect, the actuating lever will be followed the direction removal that is on a parallel with holding rod length, and the connecting axle that corresponds will slide in the draw-in groove of loading board, and through the butt of connecting axle and draw-in groove inner wall, the loading board just can begin to rotate.

Preferably, the holding rod is hinged with a support rod, and the rotating axis of the support rod is vertical to the length direction of the holding rod.

By adopting the technical scheme, after the worker jacks up the measuring instrument by the holding rod, the support rod is rotated to support the support rod on the ground, and the support rod is matched with the holding rod to support the bearing plate and the measuring instrument together, so that the position of the measuring instrument is more stable, and the influence on the detection data is favorably reduced.

Preferably, the support rod is hinged to the inner rod, an embedding groove for the support rod to be embedded is formed in the inner rod, and the length direction of the embedding groove is the same as that of the inner rod.

Through adopting above-mentioned technical scheme, after the detection, can rotate the bracing piece and imbed in the caulking groove to in together the outer pole of retraction with interior pole, can reduce the volume of accomodating the holding rod.

Preferably, the support rod is in interference fit with the caulking groove.

Through adopting above-mentioned technical scheme, the bracing piece is at embedding caulking groove back, under the circumstances of not initiatively changeing the bracing piece out the caulking groove, the caulking groove is difficult to deviate from to the bracing piece, need not to press the bracing piece in the caulking groove with the hand always when accomodating the bracing piece, can make things convenient for staff's operation.

Preferably, the cross section of the inner rod is polygonal, and the inner rod is in inserted fit with the outer rod.

By adopting the technical scheme, the outer rod is limited to rotate relative to the inner rod and can not only depend on the locking piece, and the outer rod and the measuring instrument can not rotate in the process of erecting the holding rod to jack up the measuring instrument, so that the detection operation can be smoothly carried out.

In summary, the present application includes at least one of the following beneficial technical effects:

through the arrangement of the holding rod and the clamping assembly, a worker can jack up the measuring instrument to the measuring point position by erecting the holding rod, and the measuring instrument can quickly reach the measuring point position, so that the wind speed detection efficiency can be improved;

the holding rod is arranged into the outer rod and the inner rod, and the length of the holding rod can be adjusted to change the position height of the jacking measuring instrument;

through the arrangement of the driving assembly, the position of the measuring instrument can approach to a horizontal state so as to ensure the accuracy of wind speed detection data;

through the setting of bracing piece, the pole supports loading board and measuring instrument together in the cooperation, can make the position of measuring instrument more stable, is favorable to reducing the influence to detecting data.

Drawings

Fig. 1 is a schematic view of the overall structure of a retractable holding device in an embodiment of the present application;

FIG. 2 is a schematic view mainly showing the construction of a drive assembly;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. a holding rod; 11. an outer rod; 12. an inner rod; 121. caulking grooves; 13. a bolt; 14. a support bar; 2. a clamping assembly; 21. a carrier plate; 211. a connecting portion; 2111. a card slot; 22. a screw; 23. an installation part; 24. an abutting portion; 25. a limiting rod; 3. a drive assembly; 31. a threaded sleeve; 32. a drive rod; 321. a connecting shaft; 4. a measuring instrument.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a scalable clamping device for tunnel wind speed detects. Referring to fig. 1, the device comprises a holding rod 1 and a clamping assembly 2 arranged at one end of the holding rod 1, the position of a measuring instrument 4 is fixed through the clamping assembly 2, then the holding rod 1 is erected on the ground, and the measuring instrument 4 can be quickly jacked to the position height required to be detected, so that the purpose of improving the wind speed detection efficiency is achieved.

The clamping assembly 2 comprises a bearing plate 21 connected to one end of the holding rod 1, the cross section of the bearing plate 21 is square, the top surface of the bearing plate 21 is used for placing the measuring instrument 4, the bottom surface of the bearing plate 21 is rotatably connected with a screw rod 22, and the screw rod 22 is parallel to the bearing plate 21 and is perpendicular to the extending direction of one side edge of the bearing plate 21. Two sides of the bearing plate 21 are respectively provided with an installation part 23 at intervals, the arrangement direction of the two installation parts 23 is the same as the extension direction of the screw rod 22, and the screw rod 22 penetrates through the bottom ends of the two installation parts 23 and is in threaded fit with the two installation parts 23. The screw 22 is divided into two sections with opposite rotation directions, and the two mounting parts 23 are respectively in threaded fit with the two sections. The bottom of the bearing plate 21 is also fixedly provided with a limiting rod 25, and the two mounting parts 23 are slidably sleeved on the limiting rod 25. The top end of each mounting portion 23 is fixedly connected with a butting portion 24, the butting portion 24 is located on one side of the corresponding connecting portion 211 close to the bearing plate 21, and the two butting portions 24 extend towards opposite directions respectively.

When the measuring instrument 4 is installed, the worker places the measuring instrument 4 on the bearing plate 21 firstly, after the position of the measuring instrument 4 is adjusted, the worker starts to rotate the screw rod 22, under the effect of thread traction, the two installation parts 23 can drive the abutting parts 24 connected with each other to be close to each other until the two abutting parts 24 abut against the measuring instrument 4 at the same time, the measuring instrument 4 is fixed on the bearing plate 21, the measuring instrument 4 is not easy to drop from the bearing plate 21 in the jacking process, and when the measuring instrument 4 is taken down, the worker can reversely rotate the screw rod 22. The limiting rod 25 is used for limiting the connecting portion 211 to rotate along with the screw rod 22, and meanwhile, the connecting degree of the mounting portion 23 and the bearing plate 21 can be increased, so that the two abutting portions 24 can be more stable when the measuring instrument 4 is clamped.

It should be noted that the screw 22 and the abutting portion 24 are respectively disposed on the upper and lower sides of the bearing plate 21, so that the space occupied by the screw 22 on the bearing plate 21 for bearing the measuring instrument 4 can be reduced, and the bearing plate 21 can accommodate the measuring instrument 4 with a larger volume in a limited area.

Holding rod 1 includes outer pole 11 and the slip inlays establishes interior pole 12 in outer pole 11 one end, and outer pole 11 is kept away from the one end of interior pole 12 and is connected with loading board 21, is provided with the locking piece on the outer pole 11 for the position of pole 12 in the locking, the locking piece sets up to bolt 13, and bolt 13 screw in outer pole 11 is interior and support tight interior pole 12, and the position of interior pole 12 in outer pole 11 just can be fixed. Through the length that stretches out outer pole 11 in the pole 12 in the change, can adjust the whole length of holding rod 1, make holding rod 1 can with measuring instrument 4 jack-up to the not position of co-altitude, after the detection operation, with interior pole 12 withdrawal outer pole 11 again in, can conveniently accomodate holding rod 1 moreover. After the length of the holding rod 1 is adjusted, the inner rod 12 is locked by screwing the bolt 13. In addition, the cross sections of the inner rod 12 and the inner cavity of the outer rod 11 are all in a regular quadrilateral shape, and in the process of erecting the holding rod 1 to jack up the measuring instrument 4, the outer rod 11 and the measuring instrument 4 cannot rotate relative to the inner rod 12 through the abutting connection of the inner rod 12 and the inner wall of the outer rod 11 except the abutting connection of the bolt 13, so that the detection process can be smoothly carried out.

The outer rod 11 is hinged to the bottom surface of the bearing plate 21, and the rotation axis of the hinged position is parallel to the screw rod 22. The outer rod 11 is provided with a group of driving components 3 for driving the bearing plate 21 to rotate. The driving assembly 3 comprises a threaded sleeve 31 rotatably connected to the outer rod 11, the central axis of the threaded sleeve 31 is parallel to the central axis of the outer rod 11, a driving rod 32 penetrates through the threaded sleeve 31, and the driving rod 32 is in threaded fit with the threaded sleeve 31. The one end that interior pole 12 was kept away from to actuating lever 32 is connected with loading board 21, loading board 21 and the parallel and adjacent one side of 11 rotation axis of outer pole have linked firmly two connecting portion 211, two connecting portion 211 are arranged along the extending direction interval of place loading board 21 side, the one end that actuating lever 32 is close to loading board 21 stretches into between two connecting portion 211, and link firmly a connecting axle 321 on this end of actuating lever 32, connecting axle 321 is parallel with the rotation axis of outer pole 11, all set up the draw-in groove 2111 that supplies connecting axle 321 to inlay the establishment on two connecting portion 211, draw-in groove 2111 is the kidney slot, the length direction of draw-in groove 2111 is perpendicular with the length direction of connecting axle 321, and perpendicular with the extending direction of connecting portion 211 place loading board 21 side.

After the measuring instrument 4 is jacked up, besides the length of the holding rod 1 is adjusted, a worker can incline the holding rod 1 by a certain angle, the position height of the measuring instrument 4 can be finely adjusted more quickly, the horizontal state of the measuring instrument 4 is changed at the moment, the worker rotates the screw sleeve 31, under the action of thread traction, the driving rod 32 moves along the extending direction of the axis of the driving rod 32, the connecting shaft 321 is driven by the driving rod 32 to slide in the clamping groove 2111 of the connecting part 211, and the bearing plate 21 rotates through the butting of the connecting shaft 321 and the inner wall of the clamping groove 2111. The worker adjusts the position of the bearing plate 21, i.e., the surveying instrument 4, to be close to the horizontal state to ensure the accuracy of the wind speed detection data.

The inner rod 12 is also hinged with a support rod 14, and the rotation axis at the hinged position is vertical to both the support rod 14 and the inner rod 12. The inner rod 12 is provided with an embedded groove 121 for the support rod 14 to be embedded, the length direction of the embedded groove 121 is the same as that of the inner rod 12, the depth of the embedded groove 121 is the same as the width of the support rod 14 in the same direction when the embedded groove 121 is embedded, and the constrained end of the support rod 14 is hinged in the embedded groove 121 of the inner rod 12. When the length that interior pole 12 slided out outer pole 11 is longer, the whole focus after setting up holding rod 1 is higher, and after the notch of caulking groove 121 all exposed outer pole 11, the staff can unscrew bracing piece 14 from caulking groove 121 to support measuring instrument 4 and centre gripping subassembly 2 jointly with interior pole 12, can make measuring instrument 4's position more stable, be favorable to reducing the influence to wind speed detection data. After the detection is finished, the rotary supporting rod 14 is embedded into the embedding groove 121 again and is retracted into the outer rod 11 together with the inner rod 12, so that the volume for accommodating the holding rod 1 can be reduced. In addition, the supporting rod 14 and the caulking groove 121 are in an interference fit relationship, and under the condition that the supporting rod 14 is not actively rotated out of the caulking groove 121, the supporting rod 14 is not easy to disengage from the caulking groove 121, so that the supporting rod 14 is not required to be pressed in the caulking groove 121 by hands all the time when the supporting rod 14 is stored, and the operation of a worker can be facilitated.

The implementation principle of the embodiment of the application is as follows: when it is desired to measure the wind speed, the worker places the surveying instrument 4 on the carrying plate 21 and then rotates the screw 22 so that the two abutting portions 24 clamp the surveying instrument 4, so that the surveying instrument 4 is not easily dropped from the carrying plate 21. Then the length of the holding rod 1 is adjusted according to the position height of the position to be detected, the holding rod 1 is erected to jack the measuring instrument 4 to the required position height, the wind speed detection operation can be started, the speed of the measuring instrument 4 reaching the position to be detected is higher, and therefore the wind speed detection efficiency can be improved.

After the holding rod 1 is used for jacking the measuring instrument 4, the worker can realize the effect of quickly fine-adjusting the position height of the measuring instrument 4 by inclining the holding rod 1 by a certain angle, and at the moment, the worker rotates the screw sleeve 31 to enable the driving rod 32 to drive the bearing plate 21 to rotate, so that the position of the measuring instrument 4 approaches to a horizontal state, and the accuracy of wind speed detection data is ensured.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a scalable clamping device for tunnel wind speed detects which characterized in that: the clamping device comprises a holding rod (1) and a clamping component (2) arranged at one end of the holding rod (1), wherein the holding rod (1) comprises an outer rod (11) and an inner rod (12) embedded at one end of the outer rod (11) in a sliding manner, and a locking piece used for locking the position of the inner rod (12) is arranged on the outer rod (11); the clamping assembly (2) comprises a bearing plate (21) arranged at one end, far away from the inner rod (12), of the outer rod (11), two abutting parts (24) are arranged on the bearing plate (21) at intervals, a screw rod (22) is connected with the two abutting parts (24) in a rotating mode, the screw rod (22) is in threaded connection with the two abutting parts (24), the screw rod (22) is divided into two sections with opposite rotating directions, and the two abutting parts (24) are in threaded fit with the two sections respectively; the bearing plate (21) is hinged with the outer rod (11), and the outer rod (11) is provided with a driving assembly (3) for rotating the bearing plate (21).

2. The retractable clamping device for detecting the wind speed in the tunnel according to claim 1, wherein: screw rod (22) are located loading board (21) and keep away from one side of butt portion (24), and the both sides of loading board (21) are equipped with installation department (23) respectively, and the direction of arranging of two installation departments (23) is the same with the extending direction of screw rod (22), and screw rod (22) pass two installation departments (23), two installation departments (23) respectively with two segmentation screw-thread fit of screw rod (22), the one end that screw rod (22) were kept away from in every installation department (23) all is connected with butt portion (24) of homonymy.

3. The retractable clamping device for detecting the wind speed of the tunnel according to claim 2, wherein: the clamping assembly (2) further comprises a limiting rod (25) arranged on the bearing plate (21), the limiting rod (25) and the screw rod (22) are located on the same side of the bearing plate (21), and the two mounting portions (23) are sleeved on the limiting rod (25) in a sliding mode.

4. The retractable clamping device for detecting the wind speed in the tunnel according to claim 1, wherein: drive assembly (3) are including rotating swivel nut (31) of connecting on outer pole (11), the axis of swivel nut (31) is parallel with outer pole (11), wear to be equipped with in swivel nut (31) with swivel nut (31) screw-thread fit's actuating lever (32), the one end that actuating lever (32) are close to loading board (21) is equipped with connecting axle (321) parallel with loading board (21) rotation axis, offer on loading board (21) and supply connecting axle (321) to slide and inlay draw-in groove (2111) of establishing, the length direction of draw-in groove (2111) is perpendicular with the length direction of connecting axle (321).

5. The retractable clamping device for detecting the wind speed in the tunnel according to claim 1, wherein: a supporting rod (14) is hinged to the holding rod (1), and the rotating axis of the supporting rod (14) is perpendicular to the length direction of the holding rod (1).

6. The retractable clamping device for detecting the wind speed in the tunnel according to claim 5, wherein: the support rod (14) is hinged with the inner rod (12), an embedding groove (121) for the support rod (14) to be embedded is formed in the inner rod (12), and the length direction of the embedding groove (121) is the same as that of the inner rod (12).

7. The retractable clamping device for detecting the wind speed in the tunnel according to claim 6, wherein: the support rod (14) is in interference fit with the caulking groove (121).

8. The retractable clamping device for detecting the wind speed in the tunnel according to claim 1, wherein: the cross section of the inner rod (12) is polygonal, and the inner rod (12) is in inserted fit with the outer rod (11).