CN220373141U - Bolt fastening device in space obstacle pipeline - Google Patents

Abstract

The utility model discloses a bolt fastening device in a space obstacle pipeline, which is mainly applied to the technical field of fastening devices and comprises a ratchet wheel, a pawl, a spring, a chain, balls, a support, a driving gear, a driven gear and a rocker, wherein the support is in a strip shape, a driving shaft and a driven shaft are respectively arranged at two ends of the support, bearings are arranged between the driving shaft and the driven shaft and the support, the driving gear and the driven gear are respectively arranged at one side of the driving shaft and one side of the driven shaft, the driving gear and the driven gear transmit power through the chain, the other side of the driving shaft is fixedly connected with the ratchet wheel, the rocker is rotationally connected with the outside of the ratchet wheel, the pawl is hinged in the rocker, and gear teeth are arranged at two sides of the pawl. The bolt fastening device in the space obstacle pipeline has scientific and reasonable structural design, convenient use and low manufacturing cost, is not influenced by the environment of a narrow space, has a better force-exerting space, adopts a ratchet structure, and improves the working efficiency.

Description

Bolt fastening device in space obstacle pipeline

Technical Field

The utility model relates to the technical field of fastening devices, in particular to a bolt fastening device in a space obstruction pipeline.

Background

The electric power inspection operation part is carried out in a pipeline, the bolts used in the current pipeline are generally hexagon bolts, the bolts are directly fastened by a wrench when being fixed, the rotation angle is usually 30-60 degrees, the operation difficulty is high in narrow spaces such as the pipeline, the conventional operation method cannot fasten the bolts in the environment when facing the pipelines with different space sizes and blocked by obstacles, the equipment is difficult to overhaul, and the ratchet wrench can rotate in a narrow space but cannot operate in a deep and narrow space.

Disclosure of Invention

The utility model provides a bolt fastening device in a space obstacle pipeline, which solves the problems of inconvenient and difficult operation of a deep and narrow space fastening bolt.

The technical scheme of the utility model is as follows: the utility model provides a bolt-up device in space obstacle pipeline, includes ratchet, pawl, spring, chain, ball, support, driving gear, driven gear, rocker, the support is rectangular form, and there is driving shaft, driven shaft both ends respectively, there is the bearing between driving shaft, the driven shaft and the support, driving gear, driven shaft one side is installed driving gear, driven gear respectively, driving gear, driven gear pass through chain transmission power, driving shaft opposite side fixedly connected with ratchet, ratchet external rotation is connected with the rocker, articulated in the rocker has the pawl, there is the teeth of a cogwheel in the pawl both sides, the teeth of a cogwheel meshes with the teeth of a cogwheel of ratchet outer fringe, there are 2 arc adjustment grooves pawl bottom, there is the spring chamber in the rocker of pawl below, there is the spring in the spring chamber, spring one end is connected with spring chamber top, and the other end withstands the ball, the ball contacts with the arc adjustment groove, the pawl is connected with dialling the button, the detachable jaw is connected to the driven shaft opposite side.

Preferably, the bracket and the rocker are made of stainless steel materials.

Preferably, the detachable jaw is magnetically connected with the driven shaft.

Preferably, a handle is arranged in the middle of the bracket.

The principle of the utility model is as follows: the utility model aims to solve the problems that a fastening bolt is inconvenient in a deep and narrow space and the operation difficulty is high, a bracket is used as an extension rod, a driving gear and a driven gear are used for transmitting power, the driving gear and the driven gear are used for swinging to drive a detachable jaw to rotate, the fastening or loosening of the bolt is realized, the rocker of the deep and narrow space is converted into an open space for pulling the rocker up and down, the force application position is adjusted to the open position, the force application is concentrated by an maintainer, the maintenance operation efficiency is improved, when the device is used, the proper detachable jaw is selected according to the specification of the fastening bolt, the detachable jaw is connected with a driven shaft, the detachable jaw is sleeved on a nut or the bolt to be fastened, then the rocker is rocked, the torque is transmitted to the driving gear through the driving shaft, the driving gear transmits the torque to the driven gear through a chain, the torque is transmitted to the detachable jaw through the driven shaft, the fastening and the disassembling of the bolt and the nut are realized, meanwhile, the continuous operation can be realized by adopting the connection of a ratchet and a pawl, the position of the adjusting knob can be adjusted, and the maintenance operation of fastening or loosening the bolt and the nut can be realized.

The technical problems to be solved by the utility model are as follows: the utility model provides a bolt fastener in space obstacle pipeline, through the support as the extension rod, through driving gear, driven gear transmission power, swing through the rocker and drive detachable jaw rotation, realize fastening or loosen the bolt, pull ratchet spanner rocker about with deep and narrow space and change into the space and pull the rocker from top to bottom, adjust the force application position to the space, make things convenient for maintainer to concentrate the exerting force, improve maintenance work efficiency.

The utility model has the beneficial effects that: the bolt fastening device in the space obstacle pipeline is scientific and reasonable in structural design, convenient to use, low in manufacturing cost, free of influence of a narrow space environment, good in force-exerting space, and high in working efficiency due to the fact that the rocker adopts a ratchet structure.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is an enlarged view of part A of FIG. 2;

in the figure, the jaw is detachable from a 1-bracket, a 2-driving gear, a 3-driven gear, a 4-ratchet wheel, a 5-pawl, a 6-spring, a 7-rocker, an 8-chain and a 9-jaw.

Detailed Description

The specific implementation mode of the utility model is as follows: as shown in fig. 1, fig. 2 and fig. 3, a bolt fastening device in space obstacle pipeline comprises a ratchet wheel 4, a pawl 5, a spring 6, a chain 8, balls, a support 1, a driving gear 2, a driven gear 3 and a rocker 7, wherein the support 1 is in a strip shape, a driving shaft and a driven shaft are respectively arranged at two ends of the support, a bearing is arranged between the driving shaft, the driven shaft and the support 1, the driving gear 2 and the driven gear 3 are respectively arranged at one side of the driving shaft and one side of the driven shaft, the driving gear 2 and the driven gear 3 transmit power through the chain 8, the ratchet wheel 4 is fixedly connected with the other side of the driving shaft, the rocker 7 is externally connected with the ratchet wheel in a rotating manner, the pawl 5 is hinged in the rocker 7, gear teeth are arranged at two sides of the pawl 5, the gear teeth are meshed with gear teeth at the outer edge of the ratchet wheel 4, 2 arc-shaped regulating grooves are formed in the bottom of the pawl 5, a spring cavity is arranged in the rocker 7 below the pawl 5, a spring 6 is arranged in the spring cavity, one end of the spring 6 is connected with the top of the spring cavity, the other end of the spring is in a supporting the ball is contacted with the arc-shaped regulating grooves, the pawl is connected with the arc-shaped regulating grooves, the other side of the pawl is connected with a poking button, and the jaw 9 is connected with the jaw.

The implementation process of the utility model comprises the following steps: the support 1 can be manufactured by casting or forging, wire cutting or bench drilling is used, a driving shaft hole and a driven shaft hole are formed, bearings are arranged in the shaft holes, the driving shaft, the driven shaft, the chain 8, the driving gear 2 and the driven gear 3 can purchase the existing products, and the ratchet wheel 4 and the pawl 5 can be used for referencing the existing mature technology.

Specifically, the bracket 1 and the rocker 7 are made of stainless steel materials. The support 1 and the rocker 7 made of the stainless steel material are not easy to rust, so that the normal operation of the utility model is ensured, and the service life is prolonged.

Specifically, the detachable jaw 9 is magnetically connected with the driven shaft. The detachable jaw 9 and the driven shaft adopt a magnetic attraction design, so that the detachable jaw is convenient to replace, and the working efficiency is improved.

Specifically, a grip is arranged in the middle of the bracket 1. The handle is convenient for operators to hold, is convenient for the left hand and the right hand to apply force simultaneously, and improves the fastening efficiency and the fastening effect.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a bolt-up device in space obstacle pipeline, includes ratchet (4), pawl (5), spring (6), chain (8), ball, its characterized in that: still include support (1), driving gear (2), driven gear (3), rocker (7), support (1) are rectangular form, and there are driving shaft, driven shaft both ends respectively, there is the bearing between driving shaft, driven shaft and the support (1), driving gear (2), driven gear (3) are installed respectively to driving shaft, driven shaft one side, driving gear (2), driven gear (3) pass through chain (8) transmission power, driving shaft opposite side fixedly connected with ratchet (4), ratchet (4) external rotation is connected with rocker (7), articulated in rocker (7) have pawl (5), pawl (5) both sides have the teeth of a cogwheel, the teeth of a cogwheel meshes with the teeth of a cogwheel of ratchet (4) outer fringe, there are spring chamber in pawl (5) bottom 2 arc regulating grooves, there is spring chamber in rocker (7) of pawl (5) below, spring chamber has spring (6), spring (6) one end is connected with spring chamber top, the other end withstands the ball, with arc regulating groove contact, pawl (5) are connected with the driven shaft, can dismantle and keep silent (9).

2. A space obstruction conduit bolt-up device according to claim 1, wherein: the support (1) and the rocker (7) are made of stainless steel materials.

3. A space obstruction conduit bolt-up device according to claim 1, wherein: the detachable jaw (9) is connected with the driven shaft through magnetic attraction.

4. A space obstruction conduit bolt-up device according to claim 1, wherein: the middle part of the bracket (1) is provided with a handle.