CN214843991U

CN214843991U - Running load simulation device for large straight speed reducer

Info

Publication number: CN214843991U
Application number: CN202122240474.1U
Authority: CN
Inventors: 刘永刚; 李永福; 段君飞; 李静宇; 张杰义; 吴庆富; 翟鹏宇; 宋伟
Original assignee: Henan Weihua Heavy Machinery Co Ltd
Current assignee: Henan Weihua Heavy Machinery Co Ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2021-11-23
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a big word speed reducer operation load analogue means, including workstation, speed reducer, motor, the workstation top surface is equipped with the speed reducer along the side. The utility model provides a big word speed reducer operation load analogue means, the device can realize simulating the big metallurgical hoist's a word speed reducer operation condition, the load operation, the condition such as emergency braking, through installing at the epaxial steel cable reel of speed reducer low-speed, wire rope winding changes to the pulley drive and simulates the spring of heavy object and rises to rise, it accords with verification characteristic to judge to rise the weight value from spring compression volume calibrated scale, the device design is compact, can simulate speed reducer load reel and promote, characteristics such as braking, according to the tonnage difference, assemble different tension spring and quantity, add up for satisfying the experimental characteristic of corresponding tonnage metallurgical hoist, the device makes conveniently, the material is commonly used, low cost, high efficiency.

Description

Running load simulation device for large straight speed reducer

Technical Field

The utility model relates to a speed reducer operation load simulation technical field specifically is a big word speed reducer operation load analogue means.

Background

The utility model provides an occasion such as big word speed reducer operation load analogue means, wide application in the factory of large-scale metallurgical crane manufacture factory inspection, process inspection and steel mill metallurgical crane overhaul detection for the hoist is newly installed or after the overhaul, simulates heavy object load operation, tests speed reducer performance, stopper performance and the ability of dragging of motor, has that the device is simple, light in weight, easy assembly and disassembly etc. and experimental cost is low, effectual, and data is complete.

With the development of crane technology, the application of advanced technology and the gradual increase of the lifting capacity of the crane applied in the metallurgical industry, the load test of the crane speed reducer with a larger tonnage needs to be equipped with larger weights, pulleys, drums, ropes and the like, and the test preparation time is long and the cost is higher.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome current defect, a big word speed reducer operation load analogue means is provided, the device can realize the word speed reducer operation operating mode of simulation large-scale metallurgical hoist, the load operation, circumstances such as emergency braking, through installing at the epaxial steel cable reel of speed reducer low-speed, wire rope winding changes to pulley drive simulation heavy object's spring and rises to rise, it accords with verification characteristic to judge to rise the weight value from the spring compression volume calibrated scale, the device design is compact, can simulate speed reducer load reel and promote, characteristics such as braking, according to the tonnage difference, assemble different tension spring and quantity, add up to the experimental characteristic that satisfies corresponding tonnage metallurgical hoist, the device makes conveniently, the material is commonly used, low cost, high efficiency, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a running load simulation device of a large-linear speed reducer comprises a workbench, the speed reducer and a motor, wherein the speed reducer is arranged on the top surface of the workbench along the side edge, a high-speed shaft of the speed reducer is connected with an output shaft of the motor through a coupler, the motor is fixedly arranged on the top surface of the workbench and is provided with a brake for braking the output shaft, an upper spring group seat is fixed at the bottom of a top plate of the workbench, the bottom surface of the upper spring group seat is detachable through a plurality of springs, the vertically arranged springs are connected with the top surface of a lower spring group seat, and a first guide wheel is arranged on the bottom surface of the lower spring group seat; still including the drive mechanism who has wire rope, drive mechanism and speed reducer low-speed shaft are connected, and draw first leading wheel and lower spring assembly seat lift extrusion spring through rolling or relaxing wire rope, and lower spring assembly seat and upper spring assembly seat face middle part all offer the wire rope handling hole that is used for passing wire rope, and first leading wheel corresponds the wire rope handling hole setting, and the trompil that is used for passing wire rope is offered to the workstation top surface.

Furthermore, the traction mechanism comprises a steel rope reel, a low-speed shaft of the speed reducer is connected with the steel rope reel, and a steel rope is wound on the steel rope reel.

Further, still including changing to the guide pulley, one side interval that the motor was kept away from to the steel cable reel is equipped with changes to the guide pulley, the trompil sets up the roof that the workstation corresponds to be located between motor and the steel cable reel, the workstation roof corresponds to be located trompil opening bilateral symmetry and is equipped with second leading wheel and third leading wheel, the workstation corresponds the one end that is located the motor and is fixed with the seat ear, wire rope one end changes direction through changing to the guide pulley in proper order, the overlap joint is at the second leading wheel, pass trompil and wire rope handling hole, pass through from first leading wheel below, pass back wire rope handling hole and trompil, the overlap joint is connected with the seat ear behind the third leading wheel.

Furthermore, the edge of the upper spring group seat is provided with a vertical spring compression dial extending to the lower spring group seat, and the edge of the lower spring group seat is provided with a pointer used for indicating the spring compression dial.

Further, all coaxial slide bars that are equipped with in the spring, slide bar top and last spring group seat fixed connection, spring group seat under the slide bar bottom passes, and pole body and lower spring group seat sliding fit, the one end that the slide bar wore out spring group seat down is equipped with and is used for spacing the locating part that prevents to drop to lower spring group seat.

Furthermore, the limiting part is a snap spring, a bayonet lock or a nut.

Compared with the prior art, the beneficial effects of the utility model are that:

1. a motor drives a gear shaft system of a speed reducer to run through a coupler, a low-speed shaft of the speed reducer drives a steel rope reel to rotate, and then the steel rope is pulled, so that the steel rope drives a lower spring set seat to rise through a first guide wheel, the lower spring set seat extrudes a spring after rising, a pointer synchronously rises along with the lower spring set seat, the position of a dial scale indicating the compression amount of the spring by the pointer is known, and the tonnage value of the load is calculated;

2. when the power is off, the motor stops working, the brake starts to work to clamp the brake drum, so that the output shaft of the motor is braked, the spring keeps tension to apply pressure to the lower spring set seat, the lower spring set seat applies pressure to the first guide wheel, the first guide wheel pulls the steel rope winding drum, and the brake device is equivalent to a crane which always hangs a heavy object and detects the working characteristic of the brake.

Drawings

Fig. 1 is a schematic view of a first structure of the present invention;

fig. 2 is a second schematic structural view of the present invention;

fig. 3 is a schematic view of a third structure of the present invention;

fig. 4 is a schematic view of the slide bar structure of the present invention.

In the figure: 101. a work table; 102. a speed reducer; 103. a motor; 104. a brake; 105. a steel rope reel; 106. a redirection guide wheel; 107. a second guide wheel; 108. a third guide wheel; 109. a seat ear; 110. a wire rope; 201. an upper spring group seat; 202. a spring compression amount dial; 203. a spring; 204. a pointer; 205. a first guide wheel; 206. a lower spring set seat; 207. a stringing hole; 208. a slide bar; 209. and a limiting member.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a running load simulation device of a large-straight-line speed reducer comprises a workbench 101, a speed reducer 102 and a motor 103, wherein the speed reducer 102 is arranged on the top surface of the workbench 101 along the side edge, a high-speed shaft of the speed reducer 102 is connected with an output shaft of the motor 103 through a coupler, the motor 103 is fixedly arranged on the top surface of the workbench 101, the motor 103 is provided with a brake 104 for braking the output shaft, an upper spring group seat 201 is fixed at the bottom of the top plate of the workbench 101, the bottom surface of the upper spring group seat 201 is detachable through a plurality of springs 203, the springs 203 are vertically arranged and connected with the top surface of a lower spring group seat 206, and a first guide wheel 205 is arranged on the bottom surface of the lower spring group seat 206; still including having wire rope 110's drive mechanism, drive mechanism is connected with speed reducer 102 low-speed shaft, and draw first leading wheel 205 and lower spring group seat 206 lift extrusion spring 203 through rolling or relaxing wire rope 110, spring 203 receives and produces thrust after the extrusion, thereby the analog load, lower spring group seat 206 and upper spring group seat 201 face middle part all offer the wire rope handling hole 207 that is used for passing wire rope 110, and first leading wheel 205 corresponds the wire rope handling hole 207 setting, workstation 101 top surface is offered and is used for passing trompil 111 of wire rope 110.

Further, the traction mechanism includes a cable drum 105, the low speed shaft of the speed reducer 102 is connected to the cable drum 105, and a cable 110 is wound around the cable drum 105.

Further, the steel rope winding drum comprises a redirection guide wheel 106, redirection guide wheels 106 are arranged on one side, away from the motor 103, of the steel rope winding drum 105 at intervals, an opening 111 is formed in a top plate, corresponding to the position between the motor 103 and the steel rope winding drum 105, of the workbench 101, a second guide wheel 107 and a third guide wheel 108 are symmetrically arranged on two sides, corresponding to the opening of the opening 111, of the top plate of the workbench 101, a seat lug 109 is fixed at one end, corresponding to the motor 103, of the workbench 101, one end of a steel rope 110 is sequentially redirected through the redirection guide wheels 106, overlapped on the second guide wheel 107, penetrates through the opening 111 and a rope threading hole 207, passes through the first guide wheel 205 from the lower side, penetrates through the rope threading hole 207 and the opening 111, and is overlapped behind the third guide wheel 108 and is connected with the seat lug 109.

Further, the edge of the upper spring group base 201 is provided with a vertical spring compression dial 202 extending to the lower spring group base 206, and the edge of the lower spring group base 206 is provided with a pointer 204 for indicating the spring compression dial 202.

Further, a sliding rod 208 is coaxially arranged in the spring 203, the top end of the sliding rod 208 is fixedly connected with the upper spring group base 201, the bottom end of the sliding rod 208 penetrates through the lower spring group base 206, a rod body is in sliding fit with the lower spring group base 206, and a limiting member 209 for limiting the lower spring group base 206 and preventing the lower spring group base 206 from falling is arranged at one end of the sliding rod 208 penetrating through the lower spring group base 206.

Further, the limiting member 209 is a snap spring, a bayonet lock or a nut.

When in use: the motor 103 drives the gear shaft system of the speed reducer 102 to operate through the coupler, the low-speed shaft of the speed reducer 102 drives the steel rope winding drum 105 to rotate, then the steel rope 110 is pulled, the steel rope 110 drives the lower spring group seat 206 to rise through the first guide wheel 205, the lower spring group seat 206 rises to extrude the spring 203, the pointer 204 synchronously rises along with the lower spring group seat 206, the position of the pointer 204 indicating the spring compression amount dial 202 is obtained, the tonnage value of the load is calculated, when the power is off, the motor 103 stops working, the brake 104 starts to work to clamp the brake drum, the output shaft of the motor 103 is braked, the spring 203 keeps tension to press the lower spring group seat 206, the lower spring group seat 206 presses the first guide wheel 205, the first guide wheel 205 pulls the steel rope winding drum 105, which is equivalent to that a crane always hangs a heavy object, and the working characteristic of the brake 104 is detected.

The non-public part of the utility model is the prior art, and the concrete structure, the material and the working principle are not detailed. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a big word speed reducer operation load analogue means which characterized in that: the automatic brake device comprises a workbench (101), a speed reducer (102) and a motor (103), wherein the speed reducer (102) is arranged on the top surface of the workbench (101) along the side edge, a high-speed shaft of the speed reducer (102) is connected with an output shaft of the motor (103) through a coupler, the motor (103) is fixedly arranged on the top surface of the workbench (101), the motor (103) is provided with a brake (104) for braking the output shaft, an upper spring group seat (201) is fixed at the bottom of a top plate of the workbench (101), the bottom surface of the upper spring group seat (201) is detachable through a plurality of springs (203) which are vertically arranged is connected with the top surface of a lower spring group seat (206), and a first guide wheel (205) is arranged on the bottom surface of the lower spring group seat (206); still including having wire rope (110) drive mechanism, drive mechanism is connected with speed reducer (102) low-speed shaft, and draw first leading wheel (205) and lower spring group seat (206) lift extrusion spring (203) through rolling or relaxing wire rope (110), reeving hole (207) that are used for passing wire rope (110) are all offered to lower spring group seat (206) and upper spring group seat (201) face middle part, and first leading wheel (205) correspond reeving hole (207) and set up, trompil (111) that are used for passing wire rope (110) are offered to workstation (101) top surface.

2. The running load simulation device of the large linear speed reducer according to claim 1, wherein: the traction mechanism comprises a steel rope reel (105), a low-speed shaft of the speed reducer (102) is connected with the steel rope reel (105), and a steel rope (110) is wound on the steel rope reel (105).

3. The running load simulation device of the large linear speed reducer according to claim 2, wherein: still including turning to guide pulley (106), one side interval that motor (103) were kept away from in steel cable reel (105) is equipped with and turns to guide pulley (106), trompil (111) set up in workstation (101) correspond the roof that is located between motor (103) and steel cable reel (105), workstation (101) roof corresponds and is located trompil (111) opening bilateral symmetry and is equipped with second leading wheel (107) and third leading wheel (108), workstation (101) correspond the one end that is located motor (103) and is fixed with seat ear (109), wire rope (110) one end is in proper order through turning to guide pulley (106) redirection, the overlap joint is at second leading wheel (107), pass trompil (111) and wire rope handling hole (207), pass through from first leading wheel (205) below, pass back wire rope handling hole (207) and trompil (111), the overlap joint is connected with seat ear (109) behind third leading wheel (108).

4. The running load simulation device of the large linear speed reducer according to claim 1, wherein: the edge of the upper spring group seat (201) is provided with a vertical spring compression dial (202) extending to the lower spring group seat (206), and the edge of the lower spring group seat (206) is provided with a pointer (204) used for indicating the spring compression dial (202).

5. The running load simulation device for the large linear speed reducer according to claim 1 or 4, wherein: all coaxial slide bar (208) that is equipped with in spring (203), slide bar (208) top and last spring group seat (201) fixed connection, spring group seat (206) down is passed to slide bar (208) bottom, and pole body and spring group seat (206) sliding fit down, and the one end that slide bar (208) wore out spring group seat (206) down is equipped with and is used for spacing locating part (209) that prevent to drop to spring group seat (206) down.

6. The running load simulation device of the large linear speed reducer according to claim 5, wherein: the limiting piece (209) is a clamp spring, a clamp pin or a nut.