CN217028969U

CN217028969U - Anchor rod with expansion positioning assembly

Info

Publication number: CN217028969U
Application number: CN202220340469.XU
Authority: CN
Inventors: 骆伟强
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-07-22
Anticipated expiration: 2032-02-18

Abstract

The utility model relates to an anchor rod with an expansion positioning component, which is characterized by comprising an anchor rod main body and the expansion positioning component, wherein the expansion positioning component comprises a cone nut, a clamping sleeve piece and a plurality of expansion sheets, the cone nut is screwed on the inner end of the anchor rod main body, each expansion sheet is attached to the outer circumferential surface of the cone nut, and the clamping sleeve piece is sleeved on the end part of each expansion sheet. The utility model has the advantages of simple structure, small manufacturing difficulty, high reliability, good stability, convenient installation, high efficiency, strong applicability and the like.

Description

Anchor rod with expansion positioning assembly

Technical Field

The utility model relates to the field of engineering construction equipment, in particular to an anchor rod.

Background

At present, most of anchoring heads on anchor rods are in an expansion type anchoring head structure, and most of existing expansion type anchoring heads are positioned by expansion pieces. Wherein, present inflation piece installation location's the degree of difficulty great, and the stability of installation location also relatively poor, this not only can lead to the manufacturing degree of difficulty increase of stock, still easily exists the arbitrary wobbling condition of inflation piece to easily cause the stock installation more difficult, and then easily influence the installation effectiveness of stock. Therefore, it is necessary to redesign the structure of the anchor rod.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and the defects and provides the anchor rod with the expansion positioning assembly, which has the advantages of simple structure, small manufacturing difficulty, high reliability, good stability, convenience in installation, high efficiency, strong applicability and the like.

The technical scheme of the utility model is realized as follows:

the anchor rod with the expansion positioning assembly is characterized by comprising an anchor rod main body and the expansion positioning assembly, wherein the expansion positioning assembly comprises a cone nut, a clamping sleeve piece and a plurality of expansion pieces, the cone nut is in threaded connection with the inner end of the anchor rod main body, the expansion pieces are attached to the outer circumferential surface of the cone nut, and the clamping sleeve piece is sleeved on the end part of each expansion piece.

Preferably, the card external member includes a positioning portion and a plurality of limiting pieces, one end of each limiting piece is connected to the positioning portion, and the other end of each limiting piece is pressed on the end of each expansion piece.

Preferably, the expansion sheet is provided with a limiting groove, and the limiting sheet is pressed at the groove bottom of the limiting groove.

Preferably, the positioning part is of a disc-shaped structure, and one end of each limiting piece is connected to the same surface of the positioning part.

Preferably, the expansion sheet is provided with a first non-slip portion.

Preferably, the stock main part includes interior pole, protective sheath, locking Assembly, the protective sheath suit has the slip casting clearance between protective sheath and interior pole on interior pole, locking Assembly sets up on the one end of interior pole, cone nut spiro union is on the other end of interior pole.

Preferably, the locking assembly comprises a blocking piece and a locking nut, the blocking piece is sleeved on one end of the inner rod, a first grouting hole penetrating through the blocking piece to the grouting gap is formed in the blocking piece, and the locking nut is screwed on one end of the inner rod.

Preferably, the blocking piece comprises a blocking disc and a grouting head, the blocking disc and the grouting head are sequentially sleeved on the inner rod, the first grouting hole is formed in the grouting head, and the blocking disc is provided with a second grouting hole.

Preferably, the slip casting head includes pipe box portion, clean shot head, the one end and the clean shot head butt joint intercommunication of pipe box portion, pipe box portion and clean shot head suit are in proper order on interior pole to make pipe box portion be and run through the block plate and arrange, first slip casting hole is seted up on pipe box portion and clean shot head.

Preferably, a second antiskid part is arranged on the protective sleeve.

The utility model has the beneficial effects that: in the utility model, an expansion positioning component comprising a cone nut, a clamping sleeve piece and a plurality of expansion sheets is adopted. The expansion positioning assembly is very simple in structure, so that the manufacturing difficulty of the anchor rod can be reduced. Through the setting of the clamping sleeve piece, each expansion sheet can be conveniently and stably limited on the cone nut. Through with cone nut spiro union on the inner end of stock main part, can accurately back up each inflation piece through cone nut like this to just can realize very reliable inflation positioning action. And each expansion piece can be stably limited through the clamping sleeve piece, so that the expansion piece is prevented from swinging randomly, the expansion of the expansion piece is very stable and accurate, the reliability of the expansion positioning assembly is very good, and the reliability of the anchor rod is improved. Such structure can avoid the inflation piece to influence the installation of stock to can guarantee that the installation of stock is very convenient, and then help improving the installation effectiveness of stock, the suitability of this stock is very good.

Drawings

Fig. 1 is a perspective view of a rock bolt of the present invention.

Fig. 2 is a second perspective view of the anchor rod of the present invention.

Fig. 3 is a perspective view of the expansion positioning assembly of the present invention.

Fig. 4 is a schematic diagram of the exploded structure of the expansion positioning assembly of the present invention.

Fig. 5 is a perspective view of the locking assembly of the present invention.

Fig. 6 is a schematic diagram of a disassembled structure of the locking assembly of the present invention.

Fig. 7 is an assembly structure diagram of the inner rod and the protective sleeve of the present invention.

Detailed Description

As shown in fig. 1 to 4, the anchor rod with the expansion positioning assembly according to the present invention comprises an anchor rod main body 1 and the expansion positioning assembly 2, wherein the expansion positioning assembly 2 comprises a cone nut 21, a sleeve fastener 22 and a plurality of expansion sheets 23, the small end of the cone nut 21 is screwed on the inner end of the anchor rod main body 1, each expansion sheet 23 is arranged around the axial center line of the cone nut 21, each expansion sheet 23 is uniformly attached to the outer circumferential surface of the cone nut 21, and the sleeve fastener 22 is sleeved on the end of each expansion sheet 23 away from the outer end of the anchor rod main body 1.

In the present invention, an expansion positioning assembly 2 comprising a cone nut 21, a ferrule 22, and a plurality of expansion tabs 23 is employed. The expansion positioning component 2 is quite simple in structure, so that the manufacturing difficulty of the anchor rod can be reduced. By providing the locking member 22, each expansion piece 23 can be easily and stably fixed to the cone nut 21. By screwing the cone nut 21 on the inner end of the anchor rod body 1, each expansion sheet 23 can be accurately jacked open through the cone nut 21, and therefore a very reliable expansion positioning effect can be achieved. And each expansion sheet 23 can be stably limited by the clamping sleeve part 22, so that the expansion sheets 23 are prevented from swinging randomly, the expansion sheets 23 are ensured to be unfolded stably and accurately, the expansion positioning assembly 2 has high reliability, and the reliability of the anchor rod is improved. Such structure can avoid the expansion sheet 23 to influence the installation of stock to can guarantee that the installation of stock is very convenient, and then help improving the installation effectiveness of stock, the suitability of this stock is very good.

As shown in fig. 3 and 4, the clamping member 22 includes a positioning portion 221 and a plurality of limiting pieces 222, one end of each limiting piece 222 is connected to the positioning portion 221, and the other end of each limiting piece 222 presses on the end of each expansion piece 23 away from the outer end of the anchor body 1. This cutting ferrule 22's structure is very simple reliable, and this can not only conveniently be made, can also play very good limiting displacement to expansion piece 23, and can reduce the influence to expansion piece 23 inflation like this to can guarantee that expansion piece 23's inflation is more stable, accurate, and then help further improving the reliability of this stock.

As shown in fig. 3 and 4, the expansion sheet 23 is provided with a limiting groove 231, and the limiting sheet 222 presses on the bottom of the limiting groove 231. Can play more stable, reliable limiting displacement to spacing piece 222 through spacing groove 231 to help improving spacing reliability and stability of spacing piece 222, and then help further improving expansion locating component 2's reliability.

As shown in fig. 3 and 4, the positioning portion 221 has a disc-shaped structure, and one end of each of the stopper pieces 222 is connected to the same surface of the positioning portion 221. Through making location portion 221 adopt the disc structure, can not only make location portion 221 have simple and reliable structure, can also play certain effect of sheltering from to the outside of cone nut 21 to when the installation stock, avoid the article in the hole to enter into cone nut 21, thereby can avoid the inflation of inflation locating component 2 to receive the influence, and then help further improving the reliability and the suitability of this stock.

As shown in fig. 3 and 4, the expansion sheet 23 is provided with a first anti-slip portion 232. The first anti-slip part 232 can improve the adhesion capacity of the expansion sheet 23, thereby further improving the reliability of the anchor rod.

As shown in fig. 3 and 4, the first anti-slip portion 232 is a groove formed on the outer surface of the expansion sheet 23 or a protrusion formed on the outer surface of the expansion sheet 23. Thus, the first anti-slip part 232 can have a good anti-slip function.

As shown in fig. 1, 2 and 7, the anchor rod body 1 includes an inner rod 11, a protective sleeve 12, and a locking component 13, the protective sleeve 12 is sleeved on the inner rod 11, a grouting gap 10 is reserved between the protective sleeve 12 and the inner rod 11, the locking component 13 is disposed at one end of the inner rod 11, and the cone nut 21 is screwed on the other end of the inner rod 11. The anchor rod main body 1 is very simple and reliable in structure. Through the setting of protective sheath 12, in addition the reservation of slip casting clearance 10, can play the dual function of sheath protection and slip casting protection, this just can play very good guard action to interior pole 11 to slow down the corrosion speed of interior pole 11, this reliability that helps improving the stock.

The inner rod 11 is a steel bar, and the protective sleeve 12 is a PE pipe. This enables the inner rod 11 to have a high structural strength and the protective sleeve 12 to have a very good protective performance, which contributes to the reliability of the anchor rod.

As shown in fig. 1, 2 and 5, the locking assembly 13 includes a blocking member 131 and a locking nut 132, the blocking member 131 is sleeved on one end of the inner rod 11, a first grouting hole 130 penetrating through the grouting gap 10 is formed in the blocking member 131, and the locking nut 132 is screwed on one end of the inner rod 11. Through blockking the setting of piece 131, can play and block spacing effect, this stability that can not only improve stock installation location can also play fine limiting displacement to slip casting. Through the establishment of first slip casting hole 130, slip casting can conveniently carry out after the locking, this convenience that not only helps improving the use, still helps improving the stability and the reliability of stock installation location. By providing the lock nut 132, locking can be easily and reliably achieved, which contributes to further improvement in the applicability of the bolt.

As shown in fig. 1, 2, 5 and 6, the blocking member 131 includes a blocking disc 1311 and a grouting head 1312, the blocking disc 1311 and the grouting head 1312 are sequentially sleeved on the inner rod 11, and the grouting head 1312 presses on an outer wall of the blocking disc 1311, the first grouting hole 130 is formed in the grouting head 1312, and the blocking disc 1311 is provided with a second grouting hole 1313. This block 131's structure is very simple reliable, can not only conveniently be to slip casting in the slip casting clearance 10 like this, can also conveniently be to the outside slip casting of protective sheath 12, can be convenient for further improve the stability and the reliability of stock installation location like this.

As shown in fig. 1, 2, 5 and 6, the grouting head 1312 includes a pipe sleeve portion 1314 and a hollow ball head 1315, one end of the pipe sleeve portion 1314 is in butt communication with the hollow ball head 1315, the pipe sleeve portion 1314 and the hollow ball head 1315 are sequentially sleeved on the inner rod 11, the pipe sleeve portion 1314 is arranged to penetrate through the blocking disc 1311, and the first grouting hole 130 is formed in the pipe sleeve portion 1314 and the hollow ball head 1315. The grouting head 1312 is simple and reliable in structure, accuracy and stability of grouting can be guaranteed, a good locking effect can be achieved, and accordingly the reliability of the anchor rod is further improved.

As shown in fig. 1, 2, 5 and 6, the middle of the blocking plate 1311 is arched outward to form a trumpet-shaped structure, the middle of the blocking plate 1311 is sleeved on the inner rod 11, the hollow ball head 1315 is pressed against the middle of the blocking plate 1311, and the locking nut 132 is pressed against the outer side of the hollow ball head 1315. This achieves a very good locking action and contributes to a further increase in the reliability of the anchor rod.

As shown in FIG. 1, the end of the sleeve portion 1314 bears against the end of the protective sleeve 12. This ensures that the first injecting hole 130 can be communicated with the injecting gap 10 well.

As shown in fig. 6, the outer surface of the hollow ball head 1315 is provided with a hole penetrating to the inside thereof, and the hole, the inner hole of the hollow ball head 1315 and the inner hole of the sleeve part 1314 together form the first grouting hole 130. Thus, the first grouting holes 130 can be conveniently formed.

As shown in fig. 1 and 2, the protective sleeve 12 is provided with a second anti-slip portion 121. By providing the second anti-slip portion 121, the adhesion capability of the protective sheath 12 can be improved, thereby contributing to further improvement of the reliability of the anchor rod.

As shown in fig. 1 and fig. 2, the second anti-slip part 121 is a groove formed on the outer surface of the protecting jacket 12 or a protrusion formed on the outer surface of the protecting jacket 12. Thus, the second anti-slip part 121 can have an anti-slip function.

Claims

1. The utility model provides an stock with inflation locating component which characterized in that: including stock main part (1), inflation locating component (2), wherein inflation locating component (2) include cone nut (21), card external member (22), a plurality of expansion piece (23), cone nut (21) spiro union is on the inner of stock main part (1), and each expansion piece (23) is pasted and is covered on the outer circumferential surface of cone nut (21), card external member (22) cover is put on the tip of each expansion piece (23).

2. A rock bolt with an expansion locating assembly according to claim 1, wherein: the card external member (22) comprises a positioning part (221) and a plurality of limiting pieces (222), one end of each limiting piece (222) is connected to the positioning part (221), and the other end of each limiting piece (222) is pressed on the end part of each expansion piece (23).

3. A rock bolt with an expansion locating assembly according to claim 2, wherein: the expansion sheet (23) is provided with a limiting groove (231), and the limiting sheet (222) is pressed at the bottom of the limiting groove (231).

4. A rock bolt with an expansion locating assembly according to claim 2, wherein: the positioning part (221) is of a disc-shaped structure, and one end of each limiting sheet (222) is connected to the same surface of the positioning part (221).

5. A rock bolt with an expansion locating assembly according to any one of claims 1 to 4, wherein: the expansion sheet (23) is provided with a first anti-slip part (232).

6. A rock bolt with an expansion locating assembly according to claim 1, wherein: the anchor rod main body (1) comprises an inner rod (11), a protective sleeve (12) and a locking component (13), the protective sleeve (12) is sleeved on the inner rod (11), a grouting gap (10) is reserved between the protective sleeve (12) and the inner rod (11), the locking component (13) is arranged at one end of the inner rod (11), and the cone nut (21) is screwed at the other end of the inner rod (11).

7. A rock bolt with an expansion locating assembly according to claim 6, wherein: the locking assembly (13) comprises a blocking part (131) and a locking nut (132), the blocking part (131) is sleeved at one end of the inner rod (11), a first grouting hole (130) penetrating through the blocking part (131) to the grouting gap (10) is formed in the blocking part, and the locking nut (132) is screwed at one end of the inner rod (11).

8. A rock bolt with an expansion locating assembly according to claim 7, wherein: the blocking piece (131) comprises a blocking disc (1311) and a grouting head (1312), the blocking disc (1311) and the grouting head (1312) are sequentially sleeved on the inner rod (11), the first grouting hole (130) is formed in the grouting head (1312), and the blocking disc (1311) is provided with a second grouting hole (1313).

9. A rock bolt with an expansion locating assembly according to claim 8, wherein: the grouting head (1312) comprises a pipe sleeve part (1314) and a hollow ball head part (1315), one end of the pipe sleeve part (1314) is in butt joint communication with the hollow ball head part (1315), the pipe sleeve part (1314) and the hollow ball head part (1315) are sequentially sleeved on the inner rod (11), the pipe sleeve part (1314) is arranged in a mode that the blocking disc (1311) penetrates through the pipe sleeve part (1314), and the first grouting hole (130) is formed in the pipe sleeve part (1314) and the hollow ball head part (1315).

10. A rock bolt with an expansion locating assembly according to any one of claims 6 to 9, wherein: the protective sleeve (12) is provided with a second antiskid part (121).