CN218556978U

CN218556978U - Device is screwed up to fire extinguisher valve

Info

Publication number: CN218556978U
Application number: CN202222881566.2U
Authority: CN
Inventors: 梁镜钊; 郑义中; 莫家海; 郑东宁
Original assignee: Guangdong Ping'an Fire Industrial Co ltd
Current assignee: Guangdong Ping'an Fire Industrial Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-03
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to a fire extinguisher valve tightening device, which comprises a bracket, wherein the bracket comprises a tightening component and a locking component; the tightening assembly comprises a tightening driving piece, a tightening differential, a torque sensor, a bearing seat, a spline transmission pair and a tightening wrench; the locking assembly comprises a lifting driving piece, a lifting screw rod, a placing frame, a bottle body locking driving piece and a locking block; through the position of adjusting fixed latch segment, the fire extinguisher bottle of various equidimensions can be locked to bottle locking driving piece on the cooperation rack of placing, and the lifting driving piece can be through the position of lifting screw rod control rack of placing to this position of adjusting the fire extinguisher pressure handle, the scalable flower that is equipped with the universal joint simultaneously can adapt to the pressure handle of different positions, make this embodiment can be applicable to the putting out a fire of various models with this, and the torsion sensor who sets up in screwing up the subassembly can control the dynamics of screwing up accurately.

Description

Device is screwed up to fire extinguisher valve

Technical Field

The utility model belongs to the technical field of the technique of fire extinguisher processing equipment and specifically relates to a device is screwed up to fire extinguisher valve.

Background

With the increasing of safety awareness of people at present, fire extinguishers are essential infrastructures in life, in the process of fire extinguisher processing, a processing step needs to press the fire extinguisher to screw the valve to seal, the step needs great strength, and screwing can be carried out by means of machines in general.

However, current tightening equipment all can only correspond the fire extinguisher of a model usually, need adjust when the fire extinguisher of needs to other models is screwed up, and the process is loaded down with trivial details say, and the dynamics of screwing up is also a little different, and the too big equipment wearing and tearing that can make of dynamics increase, and the valve that the dynamics undersize can make the fire extinguisher is not hard up, consequently is indispensable to the accurate control of the dynamics of screwing up.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical defect who proposes among the above-mentioned background art, the utility model aims at providing a device is screwed up to fire extinguisher valve can use accurate dynamics to screw up the fire extinguisher valve, can also be applicable to the fire extinguisher of multiple model simultaneously.

The utility model discloses a following technique:

the utility model provides a fire extinguisher valve tightening device, which comprises a bracket, wherein a tightening component and a locking component are arranged on the bracket; the tightening assembly sequentially comprises a tightening driving piece, a tightening differential, a torque sensor, a bearing seat, a spline transmission pair and a tightening wrench from top to bottom; the locking assembly comprises a lifting driving piece, a lifting screw rod, a placing frame, a bottle body locking driving piece and a locking block;

the tightening differential mechanism is fixedly arranged on the support, a tightening driving piece is arranged on the tightening differential mechanism, the torque sensor is arranged below the tightening differential mechanism through a coupler, a transmission shaft arranged on a bearing seat through a bearing is arranged on the bearing seat, the upper part of the transmission shaft is connected with the torque sensor through the coupler, the bottom of the transmission shaft is connected with a spline transmission pair through a universal joint, a spring is arranged on the spline transmission pair, one end, far away from the transmission shaft, of the spline transmission pair is connected with a tightening wrench through the universal joint, and a tightening clamp is arranged below the tightening wrench;

lifting driving piece fixed mounting is equipped with the lifting differential mechanism at the output of lifting driving piece on the support, the lifting screw rod is installed on the lifting differential mechanism, and the lifting screw rod can make the reciprocating motion on the lifting differential mechanism, the mount frame is located lifting screw rod below and with lifting screw rod fixed connection, bottle locking driving piece fixed mounting is on the mount frame, the latch segment includes fixed latch segment and movable latch segment, fixed latch segment fixed mounting deviates from bottle locking driving piece one side on the mount frame, movable latch segment fixed mounting is on the telescopic shaft of bottle locking driving piece.

By adopting the design scheme, the torsion sensor arranged below the tightening differential mechanism can accurately record the real-time torsion, and when the torsion reaches the preset tightening standard, the torsion sensor feeds back the torsion driving piece according to the torsion and stops the torsion driving piece, so that the accuracy of the tightening force is ensured; the spline transmission pair with the universal joints arranged at the upper part and the lower part can swing at a certain angle, the working range of screwing a wrench at the lower part is enlarged, and meanwhile, the spring arranged at the outer side of the spline transmission pair can prevent the spline transmission pair from loosening or separating; when fixed fire extinguisher bottle, only need place it in the suitable position department on the mount frame, promote movable latch segment by bottle locking driving piece again, cooperate fixed latch segment, can press from both sides the fire extinguisher body of different models tightly, cooperate lifting driving piece and lifting screw rod again for even the fire extinguisher of different models, its pressure is the position and also can be maintained at same spatial point, so that screw up the centre gripping of wrench.

Preferably, the tightening clamp body is C-shaped, and a groove for clamping the bottom of the fire extinguisher press handle is arranged below the tightening clamp.

Through adopting above-mentioned design, the lateral wall of C font tightening fixture can support the pressure handle of fire extinguisher in normal work, and the recess of tightening fixture bottom then blocks the bottom of pressing the handle, and rethread lifting driving piece comes to adjust different height and makes the subassembly of screwing up reach the state of tightening to this reaches the purpose that locks different model fire extinguishers and screw up.

Preferably, the placing frame is fixedly provided with a sleeve, and the movable locking block is provided with a polished rod capable of sliding in the sleeve.

Preferably, the spline transmission pair can extend or contract within a certain limit

To sum up, the beneficial effects of the utility model are that:

the universal joints and the telescopic spline transmission pairs are arranged at the upper end and the lower end of the C-shaped tightening clamp, so that the tightening wrench has a larger moving range, the side wall of the C-shaped tightening clamp can abut against a pressing handle of the fire extinguisher, and the groove at the bottom of the tightening clamp clamps the bottom of the pressing handle; the bottle body locking driving piece arranged on the placing frame can push the movable locking block, and can clamp fire extinguisher bottle bodies of different types and sizes placed on the placing frame by matching with the fixed locking block; the height of the placing frame can be adjusted by the lifting driving piece, so that the height of the clamped fire extinguisher is controlled, the pressing handles of fire extinguishers of different models can be clamped by the screwing wrench, the screwing assembly is tightened, and then the fire extinguishers can be screwed.

The torsion sensor arranged below the tightening differential can record the torsion received in real time, whether the tightening is performed or not is judged according to the feedback torsion, and when the torsion reaches a preset standard, the tightening driving piece can automatically stop under the control of the torsion sensor, so that the equipment and the fire extinguisher are prevented from being influenced by continuous twisting.

Drawings

FIG. 1 is a front view of an embodiment of the present invention;

fig. 2 is a side view of an embodiment of the invention;

fig. 3 is a top view of an embodiment of the present invention.

The reference numerals in the figures illustrate:

wherein, 1, a bracket; 2. screwing the assembly; 201. screwing down the driving piece; 202. screwing down the differential; 203. a coupling; 204. a torque sensor; 205. a bearing seat; 206. a universal joint; 207. a spline transmission pair; 208. screwing the wrench; 209. tightening the clamp; 3. a locking assembly; 301. lifting the driving piece; 302. lifting the screw rod; 303. a placement frame; 304. the bottle body locks the driving piece; 305. a movable locking block; 306. a fixed locking block; 307. a polish rod; 308. a sleeve.

Detailed Description

In order that the present invention may be more readily and clearly understood, the following description of the present invention is provided in connection with the accompanying drawings.

It should be noted that the terms "center", "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. used herein indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. "plurality" means two or more unless otherwise specified.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1 to 3, the tightening device for the fire extinguisher valve comprises a bracket 1, a tightening assembly 2 and a locking assembly 3.

The tightening assembly 2 comprises a tightening drive 201, a tightening differential 202, a torque sensor 204, a bearing seat 205, a spline transmission pair 207, and a tightening wrench 208; the locking assembly 3 includes a lifting driving unit 301, a lifting screw 302, a mounting bracket 303, a bottle locking driving unit 304, and a locking block.

The tightening differential 202 is fixedly installed on the support 1, the tightening driving member 201 is arranged above the tightening differential 202, a power output shaft of the tightening driving member 201 is connected with the tightening differential 202, the torque output by the tightening driving member 201 is transmitted to the lower torque sensor 204 after being decelerated by the tightening differential 202, and the torque sensor 204 is responsible for recording the real-time torque so as to accurately twist the force of the press handle. The torque sensor 204 is connected to the tightening differential 202 via a coupling 203, and a drive shaft is connected to the lower side of the torque sensor 204, and the drive shaft is also connected to the torque sensor 204 via the coupling 203. And a bearing is sleeved on the outer side of the transmission shaft and is installed on the bracket 1 by virtue of a bearing block 205. The upper end and the lower end of the spline transmission pair 207 are both provided with universal joints 206, the universal joint 206 arranged above the spline transmission pair 207 is connected with the transmission shaft, and the universal joint 206 arranged below the spline transmission pair 207 is connected with a tightening wrench 208 arranged below the spline transmission pair.

In order to avoid loosening and falling of the spline transmission pair 207 in normal use, a plurality of springs are arranged on the outer side of the spline transmission pair 207, the springs can provide certain tension for the spline transmission pair 207, the working range of the screwing wrench 208 is increased, meanwhile, the tension can be increased when the screwing is performed, and the clamping force is further increased.

The tightening wrench 208 comprises a tightening clamp 209 for clamping the fire extinguisher press handle, the main body of the tightening clamp 209 is C-shaped, and a groove for clamping the bottom of the fire extinguisher press handle is arranged below the tightening clamp 209; the side wall of the C-shaped tightening clamp 209 can abut against the pressing handle of the fire extinguisher in normal work, when the C-shaped tightening clamp 209 rotates, the pressing handle of the fire extinguisher will abut against the side wall of the tightening clamp 209, so that the pressing handle rotates along with the pressing handle, and the groove at the bottom of the tightening clamp 209 clamps the bottom of the pressing handle.

The lifting driving piece 301 is fixedly installed on the support 1, a lifting differential is arranged at the output end of the lifting driving piece 301, a lifting screw 302 is installed on the lifting differential in a connected mode, and the lifting screw 302 can reciprocate on the lifting differential in the vertical direction under the driving of the lifting driving piece 301. The bottom end of the lifting screw 302 is fixedly connected with a placement frame 303, and the placement frame 303 can move up and down along with the lifting screw 302, so that the height of the fire extinguisher placed on the placement frame 303 can be adjusted. The locking blocks include a fixed locking block 306 and a movable locking block 305, the fixed locking block 306 is mounted on the side of the mounting frame 303 away from the lifting screw 302, and the movable locking block 305 is mounted on the telescopic shaft of the bottle locking driving member 304. In this embodiment, the bottle locking driving member 304 has two upper and lower parts, and is fixedly mounted on the side of the mounting frame 303 near the lifting screw 302, and the movable locking block 305 and the fixed locking block 306 have two parts. In order to make the movable locking block 305 move more stably and smoothly, a polish rod 307 is arranged on the movable locking block 305, a sleeve 308 is arranged on the placing frame 303, the sleeve 308 is fixedly arranged on the placing frame and is matched with the polish rod 307, so that the polish rod 307 can freely slide in the sleeve 308. An adjusting screw is arranged between the fixed locking block 306 and the placing frame 303, so that the fixed locking block 306 can be finely adjusted according to requirements.

During normal processing and use, a worker firstly presses a handle to enter the bottle body of the fire extinguisher preliminarily, then places the fire extinguisher on the placing frame 303, and then the bottle body locking driving piece 304 pushes the movable locking block 305 to be matched with the fixed locking block 306, so that the fire extinguisher can be locked on the placing frame 303 firmly; after the fire extinguisher is fixedly installed, the groove of the tightening clamp 209 is clamped at the bottom end of the pressing handle, then the driving piece 301 is lifted to control the placing frame 303 so that the tightening assembly 2 is tightened, and then the tightening driving piece 201 is started to tighten the pressing handle on the bottle body of the fire extinguisher; when the torque received by the torque sensor 204 reaches a predetermined value, the tightening driving member 201 is stopped, the lifting driving member 301 lifts the mounting frame 303 to loosen the tightening assembly 2, and then the movable locking block 305 is loosened, so that the tightened fire extinguisher can be removed and replaced with the rest fire extinguishers to be tightened.

The tightening driving member 201, the lifting driving member 301 and the bottle locking driving member 304 may all adopt pneumatic motors or motors, and in consideration of practical application requirements, the tightening driving member 201 mainly outputs torque, the lifting driving member 301 is used for controlling the lifting screw 302 to reciprocate, and the bottle locking driving member 304 is mainly used for clamping the fire extinguisher, therefore, in this embodiment, the tightening driving member 201 uses a large-torque stepping motor, the lifting driving member 301 is a servo motor with higher stroke precision, and the bottle locking driving member 304 is driven by using a reciprocating motor.

The principle of the embodiment of the application is as follows:

the universal joints 206 are arranged at the upper end and the lower end, and the telescopic spline transmission pair 207 enables the tightening wrench 208 to have a larger moving range, the side wall of the C-shaped tightening clamp 209 can prop against a pressing handle of the fire extinguisher, and the groove at the bottom of the tightening clamp 209 clamps the bottom of the pressing handle; the bottle locking driving piece 304 arranged on the placing frame 303 can push the movable locking block 305 to be matched with the fixed locking block 306 to clamp fire extinguisher bottles of different types and sizes placed on the placing frame 303; the height of the placement frame 303 can be adjusted by the lifting driving piece 301, and then the height of the clamped fire extinguisher is controlled, so that the tightening wrench 208 can block the pressing handles of fire extinguishers of different models, the tightening assembly 2 is tightened, and then the fire extinguishers can be tightened.

The torque sensor 204 disposed below the tightening differential 202 can record the torque received in real time, determine whether tightening has been performed according to the feedback torque, and automatically stop tightening the driving member 201 when the torque reaches a predetermined level, so as to avoid the influence of continuous twisting on the device itself and the fire extinguisher.

The embodiments of the present invention are preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, wherein like parts are denoted by like reference numerals. Therefore, the method comprises the following steps: 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 fire extinguisher valve tightening means, includes support (1), its characterized in that: the support (1) is provided with a screwing component (2) and a locking component (3); the tightening assembly (2) sequentially comprises a tightening driving piece (201), a tightening differential (202), a torque sensor (204), a bearing seat (205), a spline transmission pair (207) and a tightening wrench (208) from top to bottom; the locking assembly (3) comprises a lifting driving piece (301), a lifting screw rod (302), a placing frame (303), a bottle body locking driving piece (304) and a locking block;

the tightening differential (202) is fixedly installed on the support (1), a tightening driving piece (201) is installed on the tightening differential (202), the torque sensor (204) is installed below the tightening differential (202) through a coupler (203), a transmission shaft installed on a bearing seat (205) through a bearing is arranged on the bearing seat (205), the upper portion of the transmission shaft is connected with the torque sensor (204) through the coupler (203), the bottom of the transmission shaft is connected with a spline transmission pair (207) through a universal joint (206), a spring is arranged on the spline transmission pair (207), the end, far away from the transmission shaft, of the spline transmission pair (207) is connected with a tightening wrench (208) through the universal joint (206), and a tightening clamp (209) is arranged below the tightening wrench (208);

lifting driving piece (301) fixed mounting is equipped with the lifting differential mechanism at the output of lifting driving piece (301) on support (1), install on the lifting differential mechanism lifting screw rod (302), and lifting screw rod (302) can be at the reciprocating motion of lifting differential mechanism, place frame (303) be located lifting screw rod (302) below and with lifting screw rod (302) fixed connection, bottle locking driving piece (304) fixed mounting is on place frame (303), the latch segment includes fixed latch segment (306) and movable latch segment (305), fixed latch segment (306) fixed mounting deviates from bottle locking driving piece (304) one side on place frame (303), movable latch segment (305) fixed mounting is on the telescopic shaft of bottle locking driving piece (304).

2. A fire extinguisher valve tightening apparatus according to claim 1, characterized in that: the main body of the tightening clamp (209) is C-shaped, and a groove used for clamping the bottom of a pressing handle of the fire extinguisher is arranged below the tightening clamp (209).

3. A fire extinguisher valve tightening apparatus according to claim 1, characterized in that: the placing frame (303) is fixedly provided with a sleeve (308), and the movable locking block (305) is provided with a polished rod (307) capable of sliding in the sleeve (308).

4. A fire extinguisher valve tightening apparatus according to claim 1, characterized in that: the spline transmission pair (207) can extend or contract within a certain limit.