CN210265712U

CN210265712U - Torque amplifier for anchor rod drilling machine

Info

Publication number: CN210265712U
Application number: CN201921224744.6U
Authority: CN
Inventors: 翟瑞友; 王安民
Original assignee: Shandong Sanqiang Mining Machinery Co ltd
Current assignee: Shandong Sanqiang Mining Machinery Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-04-07
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a torque amplifier for roofbolter, including the ring gear, the input end cover is installed to the one end of ring gear, the output end cover is installed to the other end of ring gear, it is equipped with the transmission shaft to run through on the input lid, be fixed with deep groove ball bearing on the transmission shaft, install the bearing frame on the deep groove ball bearing, the one end of transmission shaft and one side of bearing frame are fixed with planetary gear set through fixed lead screw and fixed pin jointly. The utility model has the characteristics of need not the power supply, easy and simple to handle, output torque is big, and operating personnel only need apply very little power, can obtain 5 times or 10 times output torque, is applicable to the less construction occasion in space, and light in weight easy operation, convenience simultaneously can reach the biggest torque output with minimum instrument diameter, guarantees that operating personnel carries out the quick installation and the dismantlement of nut in various narrow and small space ranges, has improved work efficiency, and the practicality is high.

Description

Torque amplifier for anchor rod drilling machine

Technical Field

The utility model relates to a hydraulic actuator technical field especially relates to a torque amplifier for roofbolter.

Background

The anchor rod is the most basic component of roadway support in the contemporary coal mine, and reinforces the surrounding rocks of the roadway together, so that the surrounding rocks support themselves. The conventional anchor rod is not only used for mines, but also used in engineering technology for reinforcing main bodies of slopes, tunnels and dams. The anchor rod is used as a tension member penetrating into the stratum, one end of the anchor rod is connected with an engineering structure, the other end of the anchor rod penetrates into the stratum, the whole anchor rod is divided into a free section and an anchoring section, the free section is an area for transmitting the tension at the head of the anchor rod to an anchoring body, and the anchor rod is used for applying prestress to the anchor rod.

At present, when the anchor rod is constructed, nut tightening and dismounting work needs to be carried out, however, the anchor rod is thick, the large-torque nut is quite difficult to tighten and dismount, particularly, when a force applying rod and various special wrenches cannot be used in a narrow environment where an operator cannot construct, the nut is more laborious to dismount and mount, and therefore the torque amplifier for the anchor rod drilling machine is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the torque amplifier for roofbolter that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a torque amplifier for roofbolter, includes the ring gear, input end cover is installed to the one end of ring gear, output end cover is installed to the other end of ring gear, it is equipped with the transmission shaft to run through on the input cover, be fixed with deep groove ball bearing on the transmission shaft, install the bearing frame on the deep groove ball bearing, the one end of transmission shaft and one side of bearing frame are fixed with planetary gear set through fixed lead screw and fixed pin jointly, the other one end of fixed lead screw and fixed pin is fixed with the output shaft jointly, the one end of output shaft is fixed with the output shaft connecting rod, the one end of output shaft connecting rod runs through output end cover's lateral wall and extends to.

Preferably, planetary gear set comprises master gear and two pinion, master gear and two pinion all mesh the setting each other, the one side at the master gear is fixed to the one end of transmission shaft, the one end of fixed screw pole runs through output shaft and one of them pinion and plug in the one side of bearing frame, install the fixed pin on the output shaft, run through and be fixed with the fixed pin backing ring on another pinion, the one end of fixed pin runs through the fixed pin backing ring and plug in the one side of bearing frame.

Preferably, four through holes are formed in the side walls of the input end cover and the output end cover on the periphery at equal intervals, four threaded blind holes corresponding to the through holes are formed in the side walls of the two ends of the inner gear ring at equal intervals, one through hole on the same side corresponds to one threaded blind hole, an inner hexagonal socket head cap screw penetrates through the through hole, and one end of the inner hexagonal socket head cap screw extends into the threaded blind hole.

Preferably, a positioning block is fixed on one side of the lower end of the inner gear ring.

Preferably, one side of the output shaft connecting rod is provided with a limiting hole.

Preferably, the positioning block is provided with a positioning hole.

The utility model has the characteristics of need not the power supply, easy and simple to handle, output torque is big, and operating personnel only need apply very little power, can obtain 5 times or 10 times output torque, is applicable to the less construction occasion in space, and light in weight easy operation, convenience simultaneously can reach the biggest torque output with minimum instrument diameter, guarantees that operating personnel carries out the quick installation and the dismantlement of nut in various narrow and small space ranges, has improved work efficiency, and the practicality is high.

Drawings

Fig. 1 is a schematic diagram of an internal structure of a torque amplifier for a jumbolter according to the present invention;

fig. 2 is a side view of the torque amplifier for the jumbolter according to the present invention.

In the figure: the device comprises a positioning hole 1, a transmission shaft 2, an input end cover 3, a deep groove ball bearing 4, a bearing seat 5, a planetary gear set 6, a fixing screw rod 7, an output shaft 8, an inner gear ring 9, a hexagon socket head cap screw 10, an output end cover 11, a fixing pin backing ring 12, a fixing pin 13, an output shaft connecting rod 14, a positioning block 15 and a limiting hole 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a torque amplifier for a jumbolter comprises an inner gear ring 9, an input end cap 3 is installed at one end of the inner gear ring 9, an output end cap 11 is installed at the other end of the inner gear ring 9, the two end caps perform sealing and protection functions, a transmission shaft 2 penetrates through the input end cap 3, a deep groove ball bearing 4 is fixed on the transmission shaft 2, a bearing seat 5 is installed on the deep groove ball bearing 4, lubricating oil can be dripped into the amplifier before use, a planetary gear set 6 is fixed at one end of the transmission shaft 2 and one side of the bearing seat 5 through a fixed screw 7 and a fixed pin 13 together for realizing torque amplification, an output shaft 8 is fixed at the other end of the fixed screw 7 and the fixed pin 13 together, an output shaft connecting rod 14 is fixed at one end of the output shaft 8, and one end of the output, rotation of the output shaft 8 rotates the output shaft link 14.

The utility model discloses in, planetary gear set 6 comprises master gear and two pinion, master gear and two pinion all mesh the setting each other, one side at the master gear is fixed to the one end of transmission shaft 2, output shaft 8 and one of them pinion and plug in the one side at bearing frame 5 are run through to the one end of stationary lead screw 7, install fixed pin 13 on the output shaft 8, run through and be fixed with fixed pin backing ring 12 on the other pinion, the one end of fixed pin 13 runs through fixed pin backing ring 12 and plug in one side at bearing frame 5, fix two pinions on bearing frame 5 and output shaft 8 through fixed pin 13 and stationary lead screw 7, drive bearing frame 5 and output shaft 8 along with pinion's rotation and rotate.

The utility model discloses in, equidistant four through-holes that are equipped with on the a week lateral wall of input end cover 3 and output end cover 11, impartial interval is equipped with four screw thread blind holes that correspond with the through-hole on the both ends lateral wall of ring gear 9, and it is corresponding with a through-hole and a screw thread blind hole of one side, run through being equipped with hexagon socket head cap screw 10 in the through-hole, hexagon socket head cap screw 10's one end extends to in the screw thread blind hole, fix input end cover 3 and output end cover 11 on the both ends lateral wall of ring gear 9 through hexagon socket head cap screw 10, can install as required and dismantle.

The utility model discloses in, lower extreme one side of ring gear 9 is fixed with locating piece 15, and one side of output shaft connecting rod 14 is equipped with spacing hole 16, is used for placing the stock nut in the spacing hole 16, is equipped with locating hole 1 on the locating piece 15, utilizes locating hole 1 convenience to assist fixedly with whole mechanism.

In the utility model, when the nut is tightened, after drilling, the drill rod is taken out from the hexagonal sleeve of the drilling machine, the anchor rod pretension and the outer hexagonal shaft of the amplifier for the drilling machine are inserted into the hexagonal sleeve of the drilling machine, the positioning block 15 is placed on one side of the motor of the drilling machine for fixing, the anchor rod nut is placed into the limiting hole 16 of the output shaft connecting rod 14 on the sleeve of the torque amplifier, the drilling machine is started for mounting the pretension force of the anchor rod, the coordination operation is needed during the operation, the air supply amount is small firstly when the motor of the drilling machine is operated, the torque amplifier is prevented from excessively large counter torque and hurting people, the transmission shaft 2 rotates during the operation, then the main gear on the planetary gear set 6 is driven to rotate, the rotation of the main gear drives the auxiliary gears on two sides to rotate, the rotation of the auxiliary gears drives the bearing seat 5 and the output shaft 8 to rotate, then the output shaft connecting, thereby completing the fastening work of the anchor rod nut lightly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The torque amplifier for the anchor rod drilling machine comprises an inner gear ring (9) and is characterized in that: an input end cover (3) is installed at one end of the inner gear ring (9), an output end cover (11) is installed at the other end of the inner gear ring (9), a transmission shaft (2) penetrates through the input end cover (3), a deep groove ball bearing (4) is fixed on the transmission shaft (2), a bearing seat (5) is arranged on the deep groove ball bearing (4), a planetary gear set (6) is jointly fixed at one end of the transmission shaft (2) and one side of the bearing seat (5) through a fixed screw rod (7) and a fixed pin (13), the other ends of the fixed screw rod (7) and the fixed pin (13) are jointly fixed with an output shaft (8), an output shaft connecting rod (14) is fixed at one end of the output shaft (8), and one end of the output shaft connecting rod (14) penetrates through the side wall of the output end cover (11) and extends to one end of the output end cover (11).

2. A torque multiplier for a jumbolter according to claim 1, wherein: planetary gear set (6) comprise master gear and two pinion, master gear and two pinion all mesh the setting each other, the one side at the master gear is fixed to the one end of transmission shaft (2), the one end of stationary lead screw (7) is run through output shaft (8) and one of them pinion and is pegged graft in one side of bearing frame (5), install fixed pin (13) on output shaft (8), run through and be fixed with fixed pin backing ring (12) on the other pinion, the one end of fixed pin (13) is run through fixed pin backing ring (12) and is pegged graft in one side of bearing frame (5).

3. A torque multiplier for a jumbolter according to claim 1, wherein: the inner hexagonal socket head structure is characterized in that four through holes are formed in the side walls of the input end cover (3) and the output end cover (11) on the side wall of the circumference at equal intervals, four threaded blind holes corresponding to the through holes are formed in the side walls of the two ends of the inner gear ring (9) at equal intervals, one through hole on the same side corresponds to one threaded blind hole, an inner hexagonal socket head cap screw (10) penetrates through the through hole, and one end of the inner hexagonal socket head cap screw (10) extends into the threaded blind hole.

4. A torque multiplier for a jumbolter according to claim 1, wherein: and a positioning block (15) is fixed on one side of the lower end of the inner gear ring (9).

5. A torque multiplier for a jumbolter according to claim 1, wherein: one side of the output shaft connecting rod (14) is provided with a limiting hole (16).

6. A torque multiplier for a jumbolter according to claim 4, wherein: and the positioning block (15) is provided with a positioning hole (1).