CN211688125U - Gun drum installation device - Google Patents

Gun drum installation device Download PDF

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Publication number
CN211688125U
CN211688125U CN201922190189.6U CN201922190189U CN211688125U CN 211688125 U CN211688125 U CN 211688125U CN 201922190189 U CN201922190189 U CN 201922190189U CN 211688125 U CN211688125 U CN 211688125U
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China
Prior art keywords
fine adjustment
fork
chain
adjustment mechanism
worm
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Application number
CN201922190189.6U
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Chinese (zh)
Inventor
吴敬伟
雷栋梁
朱晓哲
张沛东
刘层
宋飞
吴哲
刘玉明
刘全喜
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Xi'an Kunlun Industry Group Co ltd
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Xi'an Kunlun Industry Group Co ltd
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Priority to CN201922190189.6U priority Critical patent/CN211688125U/en
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Abstract

The invention relates to a gun drum installation device, belonging to the field of mechanical loading; the electric fork lift truck comprises a hydraulic system, a gantry, a chain wheel, a chain and a fork device; the electric fork truck provides a power source for the installation process, and the door frame is a bearing mechanism of an upper fine adjustment device, a lower fine adjustment device, a lateral fine adjustment device and a fork device. An up-down fine adjustment mechanism is arranged between the top end of a hydraulic rod of the hydraulic system and the connection of chain wheels, the chain wheels fixed on the two sides of the chain wheel connector are matched with the chain, the chain is controlled by the hydraulic system to drive the pallet fork device to move in the vertical direction, and fine adjustment is carried out through the up-down fine adjustment mechanism; the pallet fork device is connected with the door frame through the lateral fine adjustment mechanism; according to the invention, the drum magazine is quickly and accurately installed in place through the power source and the extension arm, so that great manpower is saved, and the potential damage and potential safety hazard of the surface of a part are avoided.

Description

Gun drum installation device
Technical Field
The invention belongs to the field of mechanical loading, and particularly relates to a gun drum installation device.
Background
The existing gun drum installation mainly hangs up the drum through the purlin hangs, and is the same as the installation height, simultaneously with the help of the crow bar with the drum one by one propulsion installation position.
The defects of the prior art are as follows: firstly, there is a great safety hazard. The weight of the drum magazine of a certain series of artillery is 300 kg-500 kg, when the drum magazine is hoisted by a truss crane, the drum magazine is firstly placed at the inlet of the bracket by manpower, is supported by the manpower, then is bound to the outer end of the drum magazine by loosening the hoisting rope, and at the moment, the drum magazine is manually conveyed to a preset track by means of a pry bar. The process has great potential safety hazard, and the drum magazine is likely to fall and be damaged, and meanwhile, safety accidents are likely to occur. Secondly, the product is easy to be flawed. A crow bar used in the installation process needs a fulcrum, the pressure born by the fulcrum is very large, and the fulcrum is easily crushed and broken to cause product appearance flaws and influence the product attractiveness. And thirdly, manual installation is mainly adopted, so that the automation degree is low and the working efficiency is low. Fourthly, the labor consumption is large. In the installation process, at least 4 persons are needed to cooperate and complete simultaneously, one person opens the truss crane and holds the lifted drum magazine stably, two outer persons are respectively positioned at two sides of the drum magazine, and the drum magazine is pushed into the bracket by servo.
Disclosure of Invention
The technical problem to be solved is as follows:
in order to avoid the defects of the prior art, the invention provides a gun drum installation device, which is based on an electric fork lift truck, and is characterized in that a manual fine adjustment device is added to the vertical (Y) direction and a movement and fine adjustment device is added to the horizontal (Z) direction of the electric fork lift truck in order to meet the coaxial requirement in the installation process; the original two movable front forks are changed into a single fixed arc front fork for more reliably holding the drum magazine. The method improves the reliability and safety of drum magazine assembly, improves the automation degree and the working efficiency, and has good practicability.
The technical scheme of the invention is as follows: a gun drum installation device comprises an electric fork truck, wherein the electric fork truck comprises a hydraulic system, a gantry, chain wheels, a chain and a fork device, a chain wheel connector is installed at the top end of a hydraulic rod of the hydraulic system, the chain wheels fixed on two sides of the chain wheel connector are installed in a matched mode with the chain, and the chain is controlled by the hydraulic system to drive the fork device to move in the vertical direction; the method is characterized in that: the electric fork lift truck also comprises an up-down fine adjustment mechanism and a lateral fine adjustment mechanism;
the upper and lower fine adjustment mechanisms are arranged between the hydraulic rod and the chain wheel connector and comprise thread lifting mechanisms, connectors, sleeves and ratchet wrenches, and the thread lifting mechanisms comprise worm wheels, worms and transmission shafts; the worm wheel is meshed with the worm, the axial direction of the worm is horizontally arranged, and the axial direction of the worm wheel is vertically arranged; the transmission shaft is of a screw rod structure and is fixedly connected with a central screw hole of the worm wheel through threads, the upper end of the transmission shaft is in threaded connection with the chain wheel connector, the lower end of the transmission shaft is coaxially connected with the hydraulic rod through the connector, and the connector is of a threaded sleeve structure; the sleeve is coaxially sleeved on the worm, the sleeve is rotated through the ratchet wrench, the worm wheel and the transmission shaft are sequentially driven to rotate, the axial displacement of the chain wheel connector is adjusted, and the displacement adjustment of the pallet fork device in the vertical direction is realized;
the fork device comprises a side moving frame and an arc fork, wherein the side moving frame is of a vertically arranged frame structure and is connected with the portal frame through the lateral fine adjustment mechanism; the working surface of the arc pallet fork is a concave arc surface and is used as a drum magazine;
the lateral fine adjustment mechanism comprises a hand wheel, a trapezoidal lead screw and a transmission nut, and two ends of the trapezoidal lead screw are rotationally connected with the gantry through bearings; the transmission nut is matched with the trapezoidal screw rod and is fixed on one side of the side moving frame; the hand wheel is fixed at one end of the trapezoidal screw rod, the trapezoidal screw rod is driven to rotate through the hand wheel, and the side moving frame is further driven to move along the horizontal direction through the transmission nut.
The further technical scheme of the invention is as follows: the drum magazine is characterized by further comprising a cushion block, wherein the cushion block is arranged on the arc-shaped goods fork and used for limiting the position of the drum magazine.
The further technical scheme of the invention is as follows: and bearing end covers are arranged at two ends of a bearing of the lateral fine adjustment mechanism.
Advantageous effects
The invention has the beneficial effects that: the electric fork lift truck is used as a power source to provide power for the whole mounting device; the portal frame, the fork device and the arc-shaped fork are used as extension arms to provide effective installation for the installation device; the upper and lower fine adjustment mechanisms and the lateral fine adjustment mechanism respectively realize the fine adjustment of the drum on the arc pallet fork in the upper and lower directions and the left and right directions, and ensure that the center of the drum is aligned with the center of the mounting hole. The drum magazine is placed on an arc-shaped fork, the arc-shaped fork increases the contact surface between the fork and the drum magazine, and the stability and the safety of the drum magazine when being supported are guaranteed; the drum magazine is quickly and accurately installed in place through the power source and the extension arm, so that great manpower is saved, the potential damage and safety hazards on the surface of a part are avoided, and the practicability of the installation device is good.
Drawings
Fig. 1 is a schematic structural view of the drum magazine mounting apparatus of the present invention.
FIG. 2 is a schematic view of the vertical adjustment mechanism and the ratchet wrench of FIG. 1.
Fig. 3 is a schematic view of the lateral fine adjustment mechanism and hand wheel of fig. 1.
Fig. 4 is a schematic view of the arcuate fork configuration of fig. 1.
Fig. 5 is an operation schematic diagram of the drum magazine mounting device.
Fig. 6 is an enlarged view of the operation of the arcuate fork of fig. 5.
Fig. 7 is a schematic diagram of the fine adjustment structure in fig. 2.
Fig. 8 is a schematic view of a worm gear in the up-down fine adjustment mechanism.
Fig. 9 is a schematic view of the structure of the side shift frame of fig. 3.
Fig. 10 is a schematic view of the screw drive configuration of fig. 3.
Description of reference numerals: the automatic fork lifting device comprises a 1-electric fork truck, a 2-portal, a 3-up and down fine adjustment mechanism, a 4-ratchet wrench, a 5-fork device, a 6-cushion block, a 7-arc fork, an 8-hand wheel, a 9-lateral fine adjustment mechanism, a 10-sleeve, an 11-thread lifting mechanism, a 12-chain wheel connector, a 13-chain wheel, a 14-first bearing, a 15-locknut, a 16-connector, a 17-hydraulic rod, an 18-lateral moving frame, a 19-trapezoidal screw rod, a 20-bearing end cover, a 21-second bearing, a 22-transmission nut and a 23-bearing end cover.
Detailed Description
The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Referring to fig. 1, the gun drum installation device comprises an electric fork truck 1, an up-down fine adjustment mechanism 3 and a lateral fine adjustment mechanism 9, wherein the electric fork truck 1 comprises a hydraulic system, a gantry 2, a chain wheel 13, a chain and a fork device 5; the electric fork truck 1 provides a power source for the installation process, and the portal 2 is a bearing mechanism of the upper and lower fine adjustment devices 3, the lateral fine adjustment device 9 and the fork device 5. An up-down fine adjustment mechanism 3 is arranged between the top end of a hydraulic rod 17 of the hydraulic system and a chain wheel connector 12, a chain wheel 13 is connected with the chain wheel connector 12 through a first bearing 14, the first bearing 14 is fixed in position through an inner shaft shoulder, an outer bearing retainer ring and a locknut 15, the chain wheels 13 fixed on two sides of the chain wheel connector 12 are installed in a matched mode with a chain, the chain is controlled by the hydraulic system to drive the pallet fork device 5 to move in the vertical direction, and fine adjustment is carried out through the up-down fine adjustment mechanism 3;
referring to fig. 2, 7 and 8, the up-down fine adjustment mechanism 3 comprises a thread lifting mechanism 11, a connector 16, a sleeve 10 and a ratchet wrench 4, wherein the thread lifting mechanism 11 comprises a worm wheel, a worm and a transmission shaft; the worm wheel is meshed with the worm, the axial direction of the worm is horizontally arranged, and the axial direction of the worm wheel is vertically arranged; the transmission shaft is of a screw rod structure and is fixedly connected with a central screw hole of the worm wheel through threads, the upper end of the transmission shaft is in threaded connection with the chain wheel connector 12, the lower end of the transmission shaft is coaxially connected with the hydraulic rod 17 through the connector 16, and the connector 16 is of a threaded sleeve structure; the sleeve 10 is coaxially sleeved on the worm, the sleeve 10 is rotated through the ratchet wrench 4, the worm wheel and the transmission shaft are sequentially driven to rotate, the axial displacement of the chain wheel connector 12 is adjusted, and the displacement adjustment of the pallet fork device 5 in the vertical direction is realized; the structure of the worm gear is characterized by large speed ratio, stable operation and suitability for heavy load.
Referring to fig. 4, the fork device 5 comprises a side shift frame 18, an arc-shaped fork 7 and a cushion block 6, wherein the side shift frame 18 is a vertically arranged frame structure and is connected with the portal frame 2 through a side fine adjustment mechanism 9; the working surface of the arc fork 7 is a concave arc surface and is used as a drum magazine; the cushion block 6 is arranged on the arc-shaped fork to ensure that the central line of the drum magazine is in a horizontal state;
referring to fig. 3, 9 and 10, the lateral fine adjustment mechanism 9 comprises a hand wheel 8, a trapezoidal lead screw 19 and a transmission nut 22, two ends of the trapezoidal lead screw 19 are rotatably connected with the gantry 2 through second bearings 21, and bearing end covers are arranged on the outer sides of the two second bearings 21; the transmission nut 22 is matched with the trapezoidal screw rod 19 and is fixed on one side of the side moving frame 18; the hand wheel 8 is fixed at one end of the trapezoidal screw rod 19, the trapezoidal screw rod 19 is driven to rotate through the hand wheel 8, and the side moving frame 18 is further driven to move along the horizontal direction through the transmission nut 22. In order to meet the heavy load and stable working condition, the thread profile of the trapezoidal lead screw 19 is trapezoidal.
The arc-shaped fork 7 is made of Q345 material, and the material is mainly characterized in that the fork is subjected to cold hardening after plastic deformation during long-time use, so that the bearing safety is ensured, and the arc-shaped fork is designed into an arc-shaped structure, so that on one hand, due to limited space, the arc-shaped fork can play a role in abdicating, and the collision with a bracket is avoided; on the other hand, the contact surface between the pallet fork and the drum magazine is increased, and the stability and the safety when the drum magazine is supported are guaranteed. When the arc-shaped fork is welded, an included angle between the arc-shaped fork and the vertical beam is 89 degrees in the direction of bearing the weight of the tray, so that the purpose that the load bearing object of the fork is relatively in a horizontal state under the action of bearing the weight is guaranteed.
Referring to fig. 5 and 6, at the time of drum magazine installation, the drum magazine installation apparatus is first placed right in front of the position to be installed, and the position is adjusted. The drum magazine is placed on the battery truck through the truss crane, the cushion block 6 is placed on the arc-shaped fork 7, then the drum magazine is stably placed on the arc-shaped fork 7 through the crane, the inner end of the drum magazine is suspended outside the arc-shaped fork 7, and the cushion block 6 cushions the drum magazine body to ensure that the central axis of the drum magazine is relatively horizontal; the drum magazine is conveyed to a mounting position through a hydraulic system of the electric fork lift truck, the upper and lower fine adjustment mechanisms 3 are adjusted through the ratchet wrench 4 to enable the center of the drum magazine to be basically equal to the center of the mounting position in height, and then the hand wheel 8 is used for adjusting the lateral fine adjustment mechanism 9 to adjust the horizontal position of the drum magazine to ensure that the drum magazine is equal to the center of the mounting position in level and the position is adjusted; the start-up electronic fork truck 1 places the drum on the location slide rail in the bracket, pushes portal 2 to drum mounted position in coordination with fork device 5 and arc fork 7 through the hydraulic system of electronic fork truck 1, fixes the drum at the mounted position through the bolt after the installation targets in place, withdraws portal 2 this moment, and the front end flange of withdrawing the in-process drum can be dialled cushion 6 and fall to below neutral gear department, withdraws cushion 6 again, can accomplish the drum installation.
After the drum magazine is installed in place, the fork falls through the upper and lower fine adjustment mechanisms 3 when the drum magazine is removed, the drum magazine is guaranteed not to collide with the outer surface of the drum magazine, the electric fork truck 1 is started, the gantry 2 is retracted, the cushion block 6 can be poked to the drum magazine by the flange at the outer end of the drum magazine in the process that the gantry 2 is retracted, the cushion block is picked up, and the drum magazine is shifted to the next installation position after being driven away from an assembly site.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.

Claims (3)

1. A gun drum installation device comprises an electric fork truck, wherein the electric fork truck comprises a hydraulic system, a gantry, chain wheels, a chain and a fork device, a chain wheel connector is installed at the top end of a hydraulic rod of the hydraulic system, the chain wheels fixed on two sides of the chain wheel connector are installed in a matched mode with the chain, and the chain is controlled by the hydraulic system to drive the fork device to move in the vertical direction; the method is characterized in that: the electric fork lift truck also comprises an up-down fine adjustment mechanism and a lateral fine adjustment mechanism;
the upper and lower fine adjustment mechanisms are arranged between the hydraulic rod and the chain wheel connector and comprise thread lifting mechanisms, connectors, sleeves and ratchet wrenches, and the thread lifting mechanisms comprise worm wheels, worms and transmission shafts; the worm wheel is meshed with the worm, the axial direction of the worm is horizontally arranged, and the axial direction of the worm wheel is vertically arranged; the transmission shaft is of a screw rod structure and is fixedly connected with a central screw hole of the worm wheel through threads, the upper end of the transmission shaft is in threaded connection with the chain wheel connector, the lower end of the transmission shaft is coaxially connected with the hydraulic rod through the connector, and the connector is of a threaded sleeve structure; the sleeve is coaxially sleeved on the worm, the sleeve is rotated through the ratchet wrench, the worm wheel and the transmission shaft are sequentially driven to rotate, the axial displacement of the chain wheel connector is adjusted, and the displacement adjustment of the pallet fork device in the vertical direction is realized;
the fork device comprises a side moving frame and an arc fork, wherein the side moving frame is of a vertically arranged frame structure and is connected with the portal frame through the lateral fine adjustment mechanism; the working surface of the arc pallet fork is a concave arc surface and is used as a drum magazine;
the lateral fine adjustment mechanism comprises a hand wheel, a trapezoidal lead screw and a transmission nut, and two ends of the trapezoidal lead screw are rotationally connected with the gantry through bearings; the transmission nut is matched with the trapezoidal screw rod and is fixed on one side of the side moving frame; the hand wheel is fixed at one end of the trapezoidal screw rod, the trapezoidal screw rod is driven to rotate through the hand wheel, and the side moving frame is further driven to move along the horizontal direction through the transmission nut.
2. The artillery drum installation device of claim 1, wherein: the drum magazine is characterized by further comprising a cushion block, wherein the cushion block is arranged on the arc-shaped goods fork and used for limiting the position of the drum magazine.
3. The artillery drum installation device of claim 1, wherein: and bearing end covers are arranged at two ends of a bearing of the lateral fine adjustment mechanism.
CN201922190189.6U 2019-12-10 2019-12-10 Gun drum installation device Active CN211688125U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922190189.6U CN211688125U (en) 2019-12-10 2019-12-10 Gun drum installation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922190189.6U CN211688125U (en) 2019-12-10 2019-12-10 Gun drum installation device

Publications (1)

Publication Number Publication Date
CN211688125U true CN211688125U (en) 2020-10-16

Family

ID=72790276

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922190189.6U Active CN211688125U (en) 2019-12-10 2019-12-10 Gun drum installation device

Country Status (1)

Country Link
CN (1) CN211688125U (en)

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