CN218212367U - Multi-directional anchor rod tension meter - Google Patents

Abstract

The utility model discloses a multidirectional stock tensiometer, it includes the jack, the jack is connected with multidirectional supporting mechanism, multidirectional supporting mechanism includes the bottom plate, first semi-circular board, second semicircle board and supporting component, first semi-circular board, the second semicircle board is located the both sides of bottom plate respectively and perpendicular with the bottom plate, first semi-circular board, the arc wall has all been seted up to the one end that the second semicircle board deviates from the bottom plate, supporting component includes backup pad and two fixed plates, two fixed plates are connected respectively in the both ends of backup pad, backup pad central point puts and has seted up first through-hole, the fixed plate is seted up the first recess with the arc surface adaptation of first semi-circular board and second semicircle board, fixed plate fixedly connected with locating plate, the locating plate is connected with a plurality of first bolts, first bolt wears to establish locating plate and arc wall and threaded connection has the nut in proper order, the bottom plate rotates and is connected with the carousel. The method and the device have the effect of improving the accuracy of the measured numerical value.

Description

Multi-directional anchor rod tension meter

Technical Field

The utility model belongs to the technical field of the technique that the engineering quality detected and specifically relates to a multidirectional stock tensiometer is related to.

Background

In the engineering construction process, often use the stock to consolidate the main part of engineering building, consequently have certain requirement to the tensile resistance of stock, consequently need use the stock tensiometer to test the stock before using the stock, detect whether the stock satisfies the user demand.

The related art can refer to chinese patent with publication number CN203422183U and discloses an anchor rod tension meter, set up in mining tunnel, the anchor rod tension meter includes jack and oil pump, the jack is equipped with the base, the base is equipped with the nut, the base passes through the nut to be fixed on the tunnel wall, and correspond with the stock position in the tunnel, the anchor rod tension meter is equipped with high pressure fuel pipe, jack and oil pump are equipped with oil pipe joint respectively, the oil pipe joint of oil pump is equipped with the manometer, the oil pump extrudees oil and carries to in the jack through high pressure fuel pipe, the manometer of oil pipe joint can respond to oil return pressure, and show concrete pressure value, thereby detect out stock anchoring force.

To the correlation technique among the above-mentioned, the in-process of test stock anchoring force, the central axis of jack will keep coaxial with the stock, but the stock is not perpendicular the setting with the wall in the use sometimes, and the base of jack sets up with the wall is perpendicular usually when prior art measures, therefore the stock is not on same axis with the stock in the testing process, easily makes the not accurate of measurement numerical value of stock.

SUMMERY OF THE UTILITY MODEL

In order to improve the precision of measuring numerical value, this application provides a multidirectional stock tensiometer.

The application provides a multidirectional stock tensiometer adopts following technical scheme:

the utility model provides a multidirectional stock tensiometer, which comprises a jack, the jack is connected with multidirectional supporting mechanism, multidirectional supporting mechanism includes the bottom plate, first semicircle board, second semicircle board and supporting component, first semicircle board, the second semicircle board is located the both sides of bottom plate respectively and perpendicular with the bottom plate, arc wall has all been seted up to first semicircle board, the one end that the second semicircle board deviates from the bottom plate, supporting component includes backup pad and two fixed plates, two fixed plates are connected respectively in the both ends of backup pad, first through-hole has been seted up to backup pad central point, the fixed plate sets up the first recess with the arc surface adaptation of first semicircle board and second semicircle board, fixed plate fixedly connected with locating plate, the locating plate is connected with a plurality of first bolts, locating plate and arc wall and threaded connection have the nut in proper order are worn to establish by first bolt, the bottom plate rotates and is connected with the carousel.

Through adopting above-mentioned technical scheme, at first fix the bottom plate on the plane of being connected with the stock through the carousel, when the stock that needs the test is not in the vertical state with the horizontal plane, it makes the axis of stock parallel with first semicircle board and second semicircle board to rotate the bottom plate, make the fixed plate slide along the arc surface through the first recess on the fixed plate, and then make the backup pad place plane perpendicular with the axis of stock through the contained angle of adjustment fixed plate and bottom plate, later fix the locating plate through first bolt, make the support plane stable, finally make the stock can pass first through-hole and be connected with the jack that is located the backup pad up end, let stock and jack be in on same axis, and then utilize jack to measure the pulling force of stock, the measuring result is comparatively accurate, the error is less, be favorable to improving the precision of the measured value of stock.

Optionally, the end parts, close to the bottom plate, of the first semicircular plate and the second semicircular plate are fixedly provided with a plurality of trapezoidal blocks, the bottom plate is provided with a sliding rail matched with the trapezoidal blocks, and the trapezoidal blocks are in threaded connection with clamping bolts.

Through adopting above-mentioned technical scheme, utilize the slide rail to carry on spacingly to trapezoidal piece for first semicircle board and second semicircle board can move along the slide rail, and first semicircle board and second semicircle board press from both sides tight conflict to the stock, through the limiting displacement of first semicircle board and second semicircle board to the stock, make stock axis and first semicircle board and second semicircle board be in parallel state, are convenient for improve measurement accuracy.

Optionally, a motor is arranged on a central line of the bottom plate parallel to the first semicircular plate, a gear is fixedly arranged on a fixed output shaft of the motor, a first rack meshed with the gear is fixedly arranged on the first semicircular plate, a second rack meshed with the gear is fixedly arranged on the second semicircular plate, a through groove matched with the first rack and the second rack is formed in the bottom plate, and a yielding groove matched with the motor is formed in the first semicircular plate and the second semicircular plate.

Through adopting above-mentioned technical scheme, the motor output shaft drives gear revolve, and the gear drives and removes with gear engagement's first rack and second rack, and then makes first semicircle board and second semicircle board synchronous motion for the adjustment to first semicircle board and second semicircle board position is more convenient and accurate.

Optionally, the carousel has been opened the groove of sliding, and the groove of sliding radially runs through the carousel, and the both ends in groove of sliding have set firmly the rectangular block, and the central point of rectangular block puts threaded connection and has the threaded rod, and the end connection that the strip-shaped piece was kept away from to the threaded rod has the stopper, and the stopper has been close to the tip in the carousel centre of a circle and has been seted up the triangular groove, is connected with two gag lever posts between the rectangular block, and the stopper is worn to establish by the gag lever post, and the tip that the stopper was kept away from to the threaded rod has set firmly the rotation handle.

Through adopting above-mentioned technical scheme, can wear to establish the second through-hole with the stock during installation carousel, rotate the threaded rod through rotating two handles, make the threaded rod remove, and then make the stopper of threaded rod tip be close to each other, when the stock that needs the measurement is not in second through-hole centre of a circle department, the stock is contradicted with the inclined plane of triangular groove, the adjustment carousel, make the stock both sides respectively with two triangular groove central point put conflicts, and then press from both sides tight location to the stock, prevent that follow-up measurement process in the stock from taking place to remove, improve the stability of stock, improve measuring result's accuracy.

Optionally, the locating plate is provided with a plurality of screw holes along the direction of height at equidistant intervals, and the both ends that the backup pad is close to the locating plate are connected with a plurality of second bolts with screw hole adaptation.

Through adopting above-mentioned technical scheme, can be through dismantling and installing the hookup location of second bolt adjustment backup pad and locating plate, be convenient for carry out the pulling force to the stock of different length and measure, be favorable to improving the many suitability of stock tensiometer.

Optionally, a circular ring block is fixedly arranged on the end face, close to the bottom plate, of the rotary table, the circular ring block is located at the circle center of the rotary table, a second through hole matched with the anchor rod is formed in the circular ring block, a third through hole matched with the circular ring block is formed in the bottom plate, and the circular ring block penetrates through the third through hole and is connected with the bottom plate in a rotating mode.

Through adopting above-mentioned technical scheme, the bottom plate can rotate around the ring piece, is convenient for adjust the contained angle between first semicircle board and second semicircle board and the stock, and the second through-hole is convenient for the stock to pass through.

Optionally, four corners of the bottom plate are connected with positioning pins, and the turntable is provided with a plurality of insertion holes matched with the positioning pins.

Through adopting above-mentioned technical scheme, when the axis of first semicircle board and second semicircle board and stock is in parallel state, can carry on spacingly through locating pin and jack cooperation to the bottom plate, reduce the removal that the bottom plate takes place among the measurement process, and then improve measurement accuracy.

Optionally, the tip sets firmly square board under the jack, square board open have with the fourth through-hole of first through-hole adaptation, the backup pad keep away from the tip of bottom plate offer with the second recess of square board adaptation, square board is connected with a plurality of third bolts, the third bolt is worn to establish square board and backup pad threaded connection.

Through adopting above-mentioned technical scheme, the second recess is spacing to square board, prevents that square board from taking place the incline, fixes jack and backup pad through the third bolt for jack and backup pad keep perpendicular, and then improve stock measuring result's accuracy.

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

1. firstly, a bottom plate is fixed on a plane connected with an anchor rod through a turntable, when the anchor rod to be tested is not in a vertical state with a horizontal plane, the bottom plate is rotated to enable the axis of the anchor rod to be parallel to a first semicircular plate and a second semicircular plate, a fixing plate slides along an arc surface through a first groove in the fixing plate, then the plane where a supporting plate is located is perpendicular to the axis of the anchor rod through adjusting the included angle between the fixing plate and the bottom plate, then the positioning plate is fixed through a first bolt, so that the supporting plane is stable, finally, the anchor rod can penetrate through a first through hole to be connected with a jack located on the upper end face of the supporting plate, the anchor rod and the jack are located on the same axis, further, the tension of the anchor rod is measured through the jack, the measuring result is accurate, the error is small, and the accuracy of the measured value of the anchor rod is improved;

2. the trapezoidal block is limited by the slide rail, so that the first semicircular plate and the second semicircular plate can move along the slide rail, the anchor rod is clamped and abutted by the first semicircular plate and the second semicircular plate, and the axis of the anchor rod is parallel to the first semicircular plate and the second semicircular plate through the limiting effect of the first semicircular plate and the second semicircular plate on the anchor rod, so that the measurement precision is improved conveniently;

3. the second through-hole can be worn to establish with the stock during installation carousel, rotate the threaded rod through rotating two handles, make the threaded rod remove, and then make the stopper of threaded rod tip be close to each other, when the stock that needs the measurement is not in second through-hole centre of a circle department, the stock is contradicted with the inclined plane of triangular groove, the adjustment carousel, make the stock both sides respectively with two triangular groove central point put conflicts, and then press from both sides tight location to the stock, prevent that follow-up measurement process in the stock from taking place to remove, improve the stability of stock, improve measuring result's accuracy.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a multi-directional anchor tension meter.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic diagram intended to highlight the structural relationship of the dial.

Fig. 4 is a schematic view aimed at highlighting the connection relationship of the support members.

Description of reference numerals: 1. a jack; 11. a square plate; 111. a fourth via hole; 12. a third bolt; 21. a base plate; 211. a slide rail; 212. a through groove; 213. positioning pins; 22. a first semi-circular plate; 221. an arc-shaped slot; 222. a trapezoidal block; 223. positioning the bolt; 224. a first rack; 225 a yielding slot; 23. a second semicircular plate; 231. a second rack; 24. a support assembly; 241. a support plate; 242. a fixing plate; 234. a first through hole; 244. a first groove; 245. positioning a plate; 246. a first bolt; 247. a nut; 248. a threaded hole; 25. a second bolt; 26. a third through hole; 27. a second groove; 3. a turntable; 31. a sliding groove; 32. rectangular block, 33, threaded rod; 34. a limiting block; 341. a triangular groove; 35. a limiting rod; 36. a grip; 37. a circular ring block; 38. a second through hole; 39. a jack; 4. a motor; 41. a gear; 5. an anchor rod.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses multidirectional stock tensiometer.

Referring to fig. 1, the multi-direction anchor rod 5 tension meter comprises a jack 1, wherein the jack 1 is connected with a multi-direction supporting mechanism. When the anchor rod 5 is subjected to tension measurement, the multi-directional support mechanism comprises a bottom plate 21, a first semicircular plate 22, a second semicircular plate 23 and a support assembly 24. When the jack 1 is positioned on the support assembly 24 and tension measurement is performed on the anchor rod 5, the anchor rod 5 passes through the jack 1, and the anchor rod 5 is clamped by the upper end portion of the jack 1.

Referring to fig. 1 and 2, in the initial position, the anchor rod 5 is fixed to a flat surface. The bottom plate 21 is connected with the rotary table 3, a circular ring block 37 is fixed at the circle center of the rotary table 3, a second through hole 38 is formed in the circular ring block 37, when the anchor rod 5 is measured, the anchor rod 5 penetrates through the second through hole 38, and the anchor rod 5 is not abutted against the circular ring block 37. The bottom plate 21 is provided with a third through hole 26 matched with the circular ring block 37, the circular ring block 37 is positioned in the third through hole 26, and the bottom plate 21 can rotate around the circular ring block 37.

Referring to fig. 2 and 3, in order to improve the accuracy of the measurement result, the anchor rod 5 needs to be located at the center of the second through hole 38, the rotating disc 3 is provided with a sliding groove 31, the sliding groove 31 radially penetrates through the rotating disc 3, and rectangular blocks 32 are fixed at both ends of the sliding groove 31. Two parallel limiting rods 35 are further mounted in the sliding groove 31, and two ends of each limiting rod 35 are fixedly connected with the rectangular blocks 32.

Referring to fig. 2 and 3, a threaded rod 33 is connected to the center of the rectangular block 32 through a thread, the threaded rod 33 penetrates through the rectangular block 32, one end of the threaded rod 33 is located outside the turntable 3, a handle 36 is fixed to one end of the threaded rod 33 located outside the turntable 3, and when the handle 36 is rotated, the threaded rod 33 moves into the turntable 3 under the action of the thread.

Referring to fig. 2 and 3, one end of the threaded rod 33 far away from the handle 36 is connected with a limit block 34, when the threaded rod 33 moves, the limit block 34 is driven to move along the sliding groove 31, and the limit block 34 is further penetrated by the limit rod 35, so that the movement of the limit block 34 is more stable. The end part of the limiting block 34 departing from the threaded rod 33 is provided with a triangular groove 341, and when the limiting block 34 is driven by the threaded rod 33 to move towards the center of the rotary table 3, the inclined plane of the triangular groove 341 can collide with the anchor rod 5. Because the stock 5 is fixed, operating personnel adjusts the position of carousel 3 for the both sides of stock 5 are in the central point of two triangular grooves 341 puts, and lets the both sides of stock 5 contradict with the center department of triangular groove 341 respectively, and the stock 5 is in the centre of a circle position of second through-hole 38 this moment.

Referring to fig. 4, a plurality of trapezoidal blocks 222 are fixed at one ends of the first semicircular plate 22 and the second semicircular plate 23 close to the bottom plate 21, a slide rail 211 adapted to the trapezoidal blocks 222 is provided on the bottom plate 21, the slide rail 211 limits the trapezoidal blocks 222, so that the first semicircular plate 22 and the second semicircular plate 23 can move along the slide rail 211, and simultaneously, the first semicircular plate 22 and the second semicircular plate 23 are always vertical to the bottom plate 21.

Referring to fig. 2 and 4, the motor 4 is fixed to the base plate 21, and the motor 4 is located on a central axis of the base plate 21 parallel to the first semicircle block. The output shaft of the motor 4 is fixedly provided with a gear 41, the first semicircular plate 22 is fixedly provided with a first rack 224, the second semicircular plate 23 is fixedly provided with a second rack 231, and the first rack 224 and the second rack 231 are respectively meshed with two sides of the gear 41.

Referring to fig. 2 and 4, the bottom plate 21 is provided with a through groove 212 adapted to the first rack 224 and the second rack 231, and the through groove 212 limits the first rack 224 and the second rack 231. The first rack 224 and the second rack 231 can be moved in the through slot 212 by the motor 4, and the first semicircular plate 22 and the second semicircular plate 23 are moved to approach each other by the first rack 224 and the second rack 231. The first semicircular plate 22 and the second semicircular plate 23 are provided with a yielding groove matched with the motor 4, so that the first semicircular plate 22 and the second semicircular plate 23 cannot interfere with the motor 4 in the moving process.

Referring to fig. 2, when the first semicircular plate 22 and the second semicircular plate 23, which are close to each other, collide with the anchor 5, which is disposed in an inclined manner, the first semicircular plate 22 and the second semicircular plate 23 rotate the base plate 21 by being pulled by the first rack 224 and the second rack 231, and adjust themselves to a position parallel to the axis of the anchor 5. The four corners of the bottom plate 21 are connected with the positioning pins 213, the rotary plate 3 is provided with a plurality of insertion holes 39 matched with the positioning pins 213, and after the first semicircular plate 22 and the second semicircular plate 23 are parallel to the axis of the anchor rod 5, the positioning pins 213 are inserted into the insertion holes 39 at the corresponding positions to position the bottom plate 21.

Referring to fig. 2, after the bottom plate 21 is fixed, the motor 4 is restarted, and the output shaft of the motor 4 is rotated in the reverse direction to restore the first semicircular plate 22 and the second semicircular plate 23 to their original positions, the trapezoidal block 222 is connected to a positioning bolt 223, and the positioning bolt 223 is tightened to position the first semicircular plate 22 and the second semicircular plate 23.

Referring to fig. 1 and 4, arc-shaped grooves 221 are respectively opened at one ends of the first semicircular plate 22 and the second semicircular plate 23, which are away from the bottom plate 21, and the supporting assembly 24 includes a supporting plate 241 and two fixing plates 242. The two fixing plates 242 are respectively connected to two ends of the supporting plate 241, and the first groove 244 matched with the arc surface is formed in each of the two fixing plates 242. First recess 244 and the cooperation of arc surface carry on spacingly to fixed plate 242 for fixed plate 242 can remove along the arc surface, and then can adjust the contained angle of backup pad 241 and bottom plate 21, and first through-hole 234 has been seted up to backup pad 241, and the stock 5 of being convenient for passes, makes backup pad 241 can mutually perpendicular with the stock 5 of slope.

Referring to fig. 2 and 4, a positioning plate 245 is fixed to the fixing plate 242, a plurality of first bolts 246 are connected to the positioning plate 245, and the first bolts 246 are sequentially inserted through the positioning plate 245 and the arc-shaped slots 221 and are threadedly connected with nuts 247. When the support plate 241 is adjusted to a position perpendicular to the anchor rod 5 by moving the fixing plate 242, the fixing plate 242 can be clamped and positioned by screwing the first bolt 246 and the nut 247, so that the support plate 241 can be stabilized at a corresponding position, and the accuracy of the measurement result of the anchor rod 5 is improved.

Referring to fig. 2 and 4, the lower end of the jack 1 is fixed with a square plate 11, the square plate is provided with a fourth through hole 111 adapted to the first through hole 234, and the support plate 241 is provided with a second groove 27 adapted to the square plate 11. When installing jack 1 in backup pad 241, second recess 27 is spacing to square shaped plate 11, prevent that square shaped plate 11 from taking place the incline, square shaped plate 11 is connected with a plurality of third bolts 12, third bolt 12 wears to establish square shaped plate 11 and backup pad 241 threaded connection, fix jack 1 and backup pad 241 through third bolt 12, make jack 1 and backup pad 241 be in the vertical state, thereby guarantee that jack 1 and stock 5 are in coaxially, improve measuring result's accuracy nature.

Referring to fig. 2, the positioning plate 245 is provided with a plurality of threaded holes 248 along the height direction, the threaded holes 248 are arranged at equal intervals, and a plurality of second bolts 25 adapted to the threaded holes 248 are connected to two ends of the supporting plate 241 close to the positioning plate 245. Can be through the cooperation of second bolt 25 and screw hole 248, the distance of adjustment backup pad 241 and 3 centre of a circle departments of carousel, and then make jack 1 can measure the stock 5 of different length, be favorable to improving the many suitability of tensiometer.

The implementation principle of the multi-direction anchor rod 5 tension meter in the embodiment of the application is as follows: when detecting the tension of the inclined anchor rod 5, the rotary disk 3 is first fixed on the plane connected to the anchor rod 5, and the anchor rod 5 is located in the second through hole 38. The handle 36 is rotated to drive the stopper 34 to move through the threaded rod 33, so that the anchor rod 5 is abutted against the inclined surface of the triangular groove 341 of the stopper 34. The rotary table 3 is adjusted so that the anchor rod 5 is located at the center of the two triangular grooves 341, and the anchor rod 5 is adjusted to the center of the third through hole 26. After the turntable 3 is fixed, the motor 4 is started, and the output shaft of the motor 4 drives the gear 41 to rotate, so that the first semicircular plate 22 and the second semicircular plate 23 are close to each other. After the first semicircular plate 22 and the second semicircular plate 23 are abutted against the anchor rod 5, the first semicircular plate 22 and the second semicircular plate 23 are automatically adjusted to be parallel to the axis of the anchor rod 5 by pulling the first rack 224 and the second rack 231. After the bottom plate 21 is fixed by the cooperation of the positioning pin 213 and the insertion hole 39, the motor 4 is reversely started to move the first semicircular plate 22 and the second semicircular plate 23 back to the original positions and fix them by the positioning bolt 223. And (3) sliding the fixing plate 242 along the arc surface, so that the fixing plate 242 drives the supporting plate 241 to move, adjusting the supporting plate 241 to a position perpendicular to the anchor rod 5, fixing the fixing plate 242 through the first bolt 246, and finally, threading the jack 1 through the square plate 11 through the third bolt 12 to be connected onto the fixing plate 242 through threads. Jack 1 is in coaxial state with stock 5 this moment, and then when making and measuring stock 5 through jack 1, the stock 5 that reachs detects numerical accuracy higher.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, 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 (8)

1. The utility model provides a multidirectional stock tensiometer, includes jack (1), its characterized in that: jack (1) is connected with multidirectional supporting mechanism, multidirectional supporting mechanism includes bottom plate (21), first semicircle board (22), second semicircle board (23) and supporting component (24), first semicircle board (22), second semicircle board (23) are located the both sides of bottom plate (21) respectively and perpendicular with bottom plate (21), first semicircle board (22), arc wall (221) have all been seted up to the one end that second semicircle board (23) deviate from bottom plate (21), supporting component (24) include backup pad (241) and two fixed plates (242), two fixed plates (242) are connected respectively in the both ends of backup pad (241), backup pad (241) central point puts and has seted up first through-hole (243), fixed plate (242) set up first recess (244) with the arc surface adaptation of first semicircle board (22) and second semicircle board (23), fixed plate (242) fixedly connected with locating plate (245), locating plate (245) are connected with a plurality of first bolt (246), first bolt (246) are worn to establish locating plate (245) and arc wall (221) and threaded connection has carousel nut (247) in proper order, bottom plate (247) rotates.

2. A multi-directional rockbolt tension meter according to claim 1, wherein: first semicircle board (22) and second semicircle board (23) are close to the tip of bottom plate (21) and have set firmly a plurality of trapezoidal pieces (222), and slide rail (211) with trapezoidal piece (222) adaptation are seted up in bottom plate (21), and equal threaded connection of trapezoidal piece (222) has set bolt (223).

3. A multidirectional rockbolt tension meter according to claim 2, wherein: be equipped with motor (4) on bottom plate (21) and the parallel central line of first semicircle board (22), motor (4) output shaft has set firmly gear (41), first semicircle board (22) have set firmly first rack (224) with gear (41) engaged with, second semicircle board (23) have set firmly second rack (231) with gear (41) engaged with, logical groove (212) with first rack (224) and second rack (231) adaptation are seted up in bottom plate (21), first semicircle board (22) and second semicircle board (23) are seted up with motor (4) adaptation groove (225) of stepping down.

4. A multidirectional rockbolt tension meter according to claim 1, wherein: carousel (3) are opened and are had groove (31) that slides, groove (31) that slides radially runs through carousel (3), the both ends of groove (31) that slides have set firmly rectangular block (32), the central point of rectangular block (32) puts threaded connection has threaded rod (33), the end connection that strip-shaped block (32) were kept away from in threaded rod (33) has stopper (34), triangular groove (341) have been seted up to the tip that stopper (34) are close to carousel (3) the centre of a circle, be connected with two gag lever posts (35) between rectangular block (32), stopper (34) are worn to establish in gag lever post (35), the tip that stopper (34) were kept away from in threaded rod (33) has set firmly handle (36).

5. A multidirectional rockbolt tension meter according to claim 1, wherein: the positioning plate (245) is provided with a plurality of threaded holes (248) at equal intervals along the height direction, and a plurality of second bolts (25) matched with the threaded holes (248) are connected to two ends, close to the positioning plate (245), of the supporting plate (241).

6. A multidirectional rockbolt tension meter according to claim 1, wherein: the end face, close to the bottom plate (21), of the rotary table (3) is fixedly provided with a circular ring block (37), the circular ring block (37) is located at the circle center of the rotary table (3), the circular ring block (37) is provided with a second through hole (38) matched with the anchor rod (5), the bottom plate (21) is provided with a third through hole (26) matched with the circular ring block (37), and the circular ring block (37) penetrates through the third through hole (26) and is rotatably connected with the bottom plate (21).

7. A multi-directional rockbolt tension meter according to claim 6, wherein: four corners of bottom plate (21) all are connected with locating pin (213), carousel (3) be equipped with a plurality of with jack (39) of locating pin (213) adaptation.

8. A multidirectional rockbolt tension meter according to claim 1, wherein: the jack (1) lower tip sets firmly square board (11), square board (11) open have with fourth through-hole (111) of first through-hole (243) adaptation, bottom plate (21) are kept away from in backup pad (241) tip offer with second recess (27) of square board (11) adaptation, square board (11) are connected with a plurality of third bolts (12), third bolt (12) are worn to establish square board (11) and backup pad (241) threaded connection.

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