CN109794914B

CN109794914B - Real table of instructing of crawler-type stationary box

Info

Publication number: CN109794914B
Application number: CN201910066836.4A
Authority: CN
Inventors: 方海生; 赵夏明
Original assignee: Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
Current assignee: Shenzhen Huiteng Information Technology Service Co ltd
Priority date: 2019-01-24
Filing date: 2019-01-24
Publication date: 2020-08-04
Anticipated expiration: 2039-01-24
Also published as: CN109794914A

Abstract

The invention relates to the technical field of training tables for comprehensive training of metalworking or electrician electronics, and discloses a crawler-type fixed box training table which comprises a rectangular table plate, square table legs, two half-split type rollers, a fixed box mounting crawler, a rectangular square hole hanging plate and a turnover type fixed box. The multifunctional desk has the advantages that the desk is good in stability, the semi-split type rotary box and the fixed box are hung on the square desk legs, the crawler belts are installed on the rotary box and the fixed box, various articles can be conveniently stored, arranged and taken, the turnover type fixed box is convenient to store, use and manage the articles, and the like.

Description

Real table of instructing of crawler-type stationary box

Technical Field

The invention relates to the technical field of practical training tables for comprehensive practical training of metalworking or electrician electronics, in particular to a crawler-type fixed box practical training table.

Background

The existing metalworking or electrician electronic practical training device generally adopts a rectangular table, particularly a bench worker practical training table is a rectangular table with square legs, and in practice, comprehensive practical training including electrician and electronics is often required to be developed in metalworking practical training, or practical training including contents such as metalworking practical training, mechanical assembly and the like is required to be developed in electrician electronic practical training.

In addition, the existing rectangular practical training table for metalworking or electrician and electronics has the advantages that one drawer is arranged below the table top and used for containing various articles, and a hanging plate is arranged behind the table and used for hanging tools and the like. However, the practical training table has the following problems: firstly, the capacity of a hanging plate and a drawer of the practical training table is limited, when a practical training project needs a plurality of parts, materials, measuring tools and tools, the needed parts, materials, measuring tools and tools can be stacked everywhere, or the parts, materials, measuring tools and tools are placed on the table top disorderly without zoning, adverse use and arrangement; secondly, no device is attached under the common practical training table, the utilization rate of the space under the practical training table is low, and the practical training table is inconvenient for taking, carrying and managing articles; thirdly, the table legs, the hanging plates and other devices cannot be disassembled, the table legs and other devices cannot be disassembled, the carrying of the practical training table is inconvenient, or the devices can be placed everywhere even if being disassembled, so that the smooth development of the practical training is influenced; fourthly, the training table does not rotate the table top, and the training task can be completed only by rotating the workpiece.

Disclosure of Invention

The invention aims to solve the problems of inconvenient carrying and low space utilization rate of a practical training table in the prior art, and provides a crawler-type fixed box practical training table.

In order to achieve the purpose, the invention adopts the following technical scheme:

a crawler-type fixed box practical training table comprises a rectangular table plate, a rectangular square hole hanging plate and a plurality of turnover type fixed boxes, wherein a round groove is formed in the middle of the front face of the rectangular table plate, a supporting bearing is arranged at the bottom of the round groove, a rotatable round table top is arranged on the supporting bearing, an eccentric handle seat groove and an eccentric handle accommodating groove which are communicated with the round groove are formed in the middle of the front face of the rectangular table plate, a table top eccentric locking handle is arranged in the eccentric handle seat groove, and the eccentric disc round edge of the table top eccentric locking handle is in contact with the round side face of the rotatable round table top; the two sides of the back of the rectangular table plate are respectively provided with a table plate dovetail groove, the middle of the table plate dovetail groove is provided with a double-layer hanging rack, two ends of the table plate dovetail groove are respectively provided with a square table leg, the top end of the square table leg is provided with a table leg dovetail block matched with the table plate dovetail groove, the square table leg is provided with a pressing block below the table leg dovetail block, the upper surface of the pressing block is contacted with the back of the rectangular table plate, the pressing block is provided with a table leg eccentric locking handle, the upper part of the square table leg is provided with an upper matching sleeve, the lower part of the square table leg is provided with a lower matching sleeve, the upper part of the lower matching sleeve is provided with a step, the middle of the step is provided with a groove, the upper matching sleeve and the lower matching sleeve are fixed on the square table leg through sleeve pins, a semi-split type rotary box is arranged between the upper matching sleeve and the lower matching sleeve of the square, and a fixed box mounting crawler belt is sleeved on each semi-divided roller. The rotatable round table top is arranged in the rectangular table plate, and the table top can rotate, so that a workpiece does not need to be rotated, and the practical training is facilitated; the square table legs are matched with the dovetail chutes tightly, can slide freely in the dovetail chutes front and back according to working requirements, are firm, not easy to damage and convenient to work, and the semi-split type rotary box is hung on the square table legs, so that articles can be stored, sorted and taken conveniently, the space under the table can be fully utilized, and the rotary box is very convenient.

Preferably, the eccentric locking handle of the table leg comprises two eccentric pressing disks, a locking handle and a locking handle supporting shaft, wherein the two ends of the locking handle supporting shaft are connected with the eccentric pressing disks, the axis of the locking handle supporting shaft and the axes of the two eccentric pressing disks have certain offset, the two eccentric pressing disks are coaxial, and the locking handle is connected with the outer circle of one of the eccentric pressing disks; the round side surfaces of the two eccentric pressing disks of the eccentric locking handle of the table leg are in contact with the lower surface of the pressing block.

Preferably, the semi-split type rotary box is of a cuboid hollow structure and is composed of two triangular rotary boxes, an upper rotationally stable half hole is formed in the middle of the top of each triangular rotary box, a lower rotationally stable half hole is formed in the middle of the bottom of each triangular rotary box, a bearing caulking groove is formed in the lower end of each lower rotationally stable half hole, the top ends of the two triangular rotary boxes are connected with connecting nuts on the two rotary boxes through connecting bolts on the two rotary boxes, the two side faces of each triangular rotary box are connected with connecting nuts on two rotary box sides through connecting bolts on two rotary box sides, a radial ball bearing is arranged between each upper rotationally stable half hole and the upper matching sleeve, each lower rotationally stable half hole is sleeved in a groove of the lower matching sleeve, and a thrust ball bearing is arranged between each bearing caulking groove and the lower matching sleeve.

Preferably, side grooves are respectively arranged on the outer sides of two oblique angles of the triangular rotary box, a stop pin is arranged in the middle of each side groove, drawer grooves are formed in the bottoms of two right-angle surfaces of the triangular rotary box, and drawers are arranged in the drawer grooves; the two right-angle surfaces of the triangular rotating box are provided with fixed box grooves above the drawer, a plurality of fixed box hanging plates are arranged in the middle of the fixed box grooves, a plurality of rotating box arc-shaped grooves and a plurality of rotating box fixed box positioning holes are formed in the side walls of the fixed box grooves and the fixed box hanging plates, and a turnover type fixed box is installed on the two opposite rotating box arc-shaped grooves and the two opposite rotating box fixed box positioning holes. The side grooves can be used for placing longer parts or materials, and the drawers can also be used for placing larger tools, parts or materials.

Preferably, the semi-split roller is of a hexagonal prism hollow structure and consists of two equilateral trapezoid boxes; be equipped with the half hole of the rotational stability on the trapezoidal box in the middle of the equilateral trapezoid box top, be equipped with the half hole of the rotational stability under the trapezoidal box in the middle of the equilateral trapezoid bottom of the case portion, the half hole lower extreme of the rotational stability is equipped with trapezoidal box bearing caulking groove under the trapezoidal box, and the top and the bottom of two equilateral trapezoid boxes are connected through four equilateral trapezoid box connecting bolt and four equilateral trapezoid box coupling nut, the upper end and the lower extreme of the equal side box face of equilateral trapezoid box all are equipped with the deflector of toper locating pin and both ends area hypotenuses, be equipped with radial ball bearing on the trapezoidal box between the half hole of the rotational stability and the last cooperation cover, the half hole of the rotational stability cup joints under the trapezoidal box in the recess of cooperation cover down, be equipped with thrust ball bearing between trapezoidal box bearing caulking groove and the cooperation cover down.

Preferably, the rectangular table plate is provided with a mounting plate on the outer side of the left square table leg, hand wheel supports are arranged on the left side and the right side of the mounting plate respectively, a sheave pusher dog driving hand wheel is arranged on the hand wheel support, two ends of the sheave pusher dog driving hand wheel penetrate through the hand wheel supports to be rotatably connected with the hand wheel supports, and the rear end of the sheave pusher dog driving hand wheel is fixedly connected with a main bevel gear; a grooved pulley pusher dog support is arranged below the left hand wheel support of the mounting plate, a grooved pulley pusher dog plate is arranged on the grooved pulley pusher dog support, a connecting shaft is arranged at the center of the grooved pulley pusher dog plate, the connecting shaft penetrates through the grooved pulley pusher dog support to be rotatably connected with the grooved pulley pusher dog support, a pusher pin and a stop block are arranged on the grooved pulley pusher dog plate, and a slave bevel gear is fixedly connected to the rear end of the connecting shaft; the semi-divided type roller positioned on the back side-shaped table leg is provided with a six-tooth grooved wheel, and the six-tooth grooved wheel is provided with six notches which are circumferentially distributed and six stop surfaces which are circumferentially distributed; the six-tooth grooved pulley, the poking pin and the grooved pulley poking claw disc form a grooved pulley transmission mechanism; the main bevel gear and the auxiliary bevel gear are meshed to form a gear transmission mechanism. The semi-split roller can be driven to rotate by rotating the grooved pulley pusher dog to drive the hand wheel, the transmission mechanism consisting of a pair of bevel gears and the grooved pulley mechanism consisting of the grooved pulley pusher dog plate and the six-tooth grooved pulley.

Preferably, the fixed box installation crawler comprises a plurality of crawler plates and a plurality of elastic connecting rings, connecting ring through holes are formed in two sides of each crawler plate, and the elastic connecting rings penetrate through the connecting ring through holes to sequentially connect the plurality of crawler plates into a ring shape; the front side of the crawler plate is provided with a plurality of crawler belt positioning box hanging plates, the crawler belt positioning box hanging plates are provided with a plurality of crawler belt arc-shaped grooves and a plurality of crawler belt positioning box positioning holes, and the two opposite crawler belt arc-shaped grooves and the two opposite crawler belt positioning box positioning holes are provided with a turnover type positioning box; the upper end and the lower end of the middle of the rear side of the creeper tread are respectively provided with a conical positioning hole matched with the conical positioning pin, and the middle of the front surface of the creeper tread is provided with a partitioned color block slot; a track cover is arranged outside the fixed box installation track, supporting plates are arranged on two sides of the bottom of the track cover and are in pin connection with square table legs, the bottom of the track cover is fixedly connected with the supporting plates, and a workpiece taking groove is formed in the front end of the track cover. The front of the creeper tread is provided with the partitioned color block slots, so that a large number of small part standard parts and materials can be classified and placed in a partitioned manner, and the small part standard parts and the materials are convenient to take and manage; the crawler cover is arranged outside the crawler belt of the fixed box, the crawler cover can protect objects stored in the turnover type fixed box from falling out or losing, a taking groove is formed in the front end of the crawler cover, when the objects such as parts need to be taken or placed, the grooved pulley pusher dog is rotated to drive the hand wheel and drive the semi-divided roller to rotate, the fixed box in the corresponding partition can be taken and stored with the corresponding objects when being rotated into the taking groove, the work pieces cannot be mixed, and the crawler belt cover is very convenient.

Preferably, the double-layer hanging rack comprises two main vertical rods, a hanging rack dovetail block matched with the table board dovetail groove is arranged at the top end of each main vertical rod, two adjustable hooks are arranged at the lower end of the double-layer hanging rack on the right side of the rectangular table board, an upper hanging rod is arranged in the middle of the inner side of the double-layer hanging rack, a lower hanging rod is arranged at the lower end of the inner side of the double-layer hanging rack, oil containing basins are arranged on the two lower hanging rods, a square through hole is formed in the middle of each main vertical rod, and an observation groove; the adjustable hook handle part is provided with an adjustable hook square column which is matched with the square through hole of the double-layer hanging rack, the rear end of the adjustable hook square column is provided with a screw through hole, and an adjustable hook screw is arranged on the screw through hole. The height of the adjustable hook can be adjusted at any time through the adjustable hook screw, and the adjustable hook is convenient to use.

Preferably, the rectangular square hole hanging plate comprises a hanging plate body and two hanging plate eccentric locking handles, a plurality of square holes are formed in the front face of the hanging plate body, the hanging plate is arranged in the middle of the front face of the hanging plate body and passes through an observation window, a concave groove is formed in the inner side of the bottom end of the hanging plate body and is sleeved with the rectangular table plate, hanging plate eccentric locking handle seats are arranged on two sides of the bottom end of the concave groove, eccentric locking handle grooves communicated with the concave groove are formed in the middle of the hanging plate eccentric locking handle seats, the hanging plate eccentric locking handles are arranged in the eccentric locking handle grooves, and eccentric disc round edges of the hanging plate eccentric locking handles are in contact with the back face of. The rectangular square hole hanging plate can be used for hanging various articles.

Preferably, a lower positioning pin and an upper sliding pin are arranged at two ends of the outer side of the rear end of the turnover type fixing box, and a label mounting groove is formed in the front of the turnover type fixing box; the lower positioning pin is coupled with the positioning hole of the rotating box fixed box or the positioning hole of the crawler fixed box, and the upper sliding pin is connected with the arc-shaped groove of the rotating box or the arc-shaped groove of the crawler in a sliding manner. The label mounting groove is formed in the front of the turnover type fixed box, so that articles stored in the turnover type fixed box can be conveniently identified; when need not follow convertible setting box and get the thing, directly push away convertible setting box inwards, convertible setting box just hides in the setting box recess of triangle-shaped commentaries on classics case or on the grip-pad, during the use as long as the convertible setting box that turns up can, very convenient.

Therefore, the invention has the following beneficial effects: (1) when the practical training table with the crawler-type positioning box is used, the square table legs are tightly matched with the table board dovetail groove through the table leg dovetail blocks at the tops of the square table legs and freely slide forwards and backwards in the table board dovetail groove, the table legs are tightly connected with the rectangular table board and locked by the table leg eccentric locking handle, so that the table is good in stability, not prone to damage and convenient to disassemble and carry; (2) the rotary hanging box and the fixed box are suspended on the square table legs to install the crawler belt, so that the storage, the arrangement and the taking of articles are facilitated, the space under the table can be fully utilized, and the desk is very convenient; (3) the fixed box is designed to be turnable, the turning type fixed box can be turned outwards only when in use, the turning type fixed box is very convenient, when not in use, the turning type fixed box is directly pushed inwards, and the turning type fixed box is hidden on the track plate in the groove of the fixed box of the triangular turning box, so that the concealment is good, and objects such as a track cover, parts in the turning type fixed box and the like are arranged outside the track for installing the fixed box and cannot fall off; (4) the rotatable round table top is arranged in the rectangular table plate, a supporting bearing is arranged below the rotatable round table top, the rotatable round table top can rotate freely, the rotatable round table top can be locked freely by the eccentric locking handle of the table top, and the rotary table top is convenient and free of workpiece rotation during practical training.

Drawings

FIG. 1 is a schematic diagram of a structure of the present invention.

Fig. 2 is a schematic structural diagram of a rectangular table board.

Figure 3 is a schematic structural view of a square table leg.

Fig. 4 is a schematic structural view of the upper fitting sleeve.

Fig. 5 is a schematic structural view of the lower fitting sleeve.

Figure 6 is a schematic view of the eccentric locking handle of the table leg.

Fig. 7 is a schematic structural view of a half-split transfer case.

Fig. 8 is a schematic structural diagram of a triangular rotary box.

Fig. 9 is a schematic structural view of a half-split drum.

Fig. 10 is a schematic structural view of an equilateral trapezoid box body.

Fig. 11 is a schematic structural view of a sheave finger plate.

Fig. 12 is a schematic view of a six-tooth sheave.

Fig. 13 is a schematic structural view of the stationary box mounting track.

Fig. 14 is a schematic structural view of the track shoe.

Fig. 15 is a schematic structural view of the track cover.

Fig. 16 is a schematic structural view of a double-layer hanger.

Fig. 17 is a schematic structural view of an adjustable hook.

Fig. 18 is a schematic structural view of the rectangular square hole hanging plate.

Fig. 19 is a schematic structural diagram of the flip type setting box.

Fig. 20 is another schematic structural view of the rectangular square-hole hanging plate arranged on a double-layer hanging rack.

In the figure: a rectangular table plate 1, a square table leg 2, a half-split rotary box 3, a half-split roller 4, a fixed box installation crawler 5, a rectangular square hole hanging plate 6, a turnover type fixed box 7, a supporting bearing 8, a rotatable round table top 9, a table top eccentric locking handle 10, a double-layer hanger 11, an oil containing basin 12, a table leg eccentric locking handle 13, an upper matching sleeve 14, a lower matching sleeve 15, a radial ball bearing 16, a thrust ball bearing 17, a crawler cover 20, an installation plate 21, a sheave pusher driving hand wheel 22, a main bevel gear 23, a sheave pusher disc 24, a slave bevel gear 25, a six-tooth sheave 26, a triangular rotary box 31, a rotary box upper connecting bolt 32, a rotary box upper connecting nut 33, a rotary box side connecting bolt 34, a rotary box side connecting nut 35, a drawer 36, an equilateral trapezoid box 41, an equilateral trapezoid box connecting bolt 43, an equilateral trapezoid box connecting nut 44, a taper positioning pin 45, a guide plate 46, a fixed box installation crawler, The crawler plate 50, an elastic connecting ring 51, a connecting ring through hole 52, a crawler positioning box hanging plate 53, a crawler arc-shaped groove 54, a crawler positioning box positioning hole 55, a tapered positioning hole 56, a partition color block slot 57, a hanging plate body 61, a hanging plate eccentric locking handle 62, a round groove 100, an eccentric handle seat groove 101, an eccentric handle accommodating groove 102, a table dovetail groove 103, a main upright rod 110, a hanger dovetail block 111, an adjustable hook 112, an upper hanging rod 113, a lower hanging rod 114, a square through hole 115, an observation groove 116, an adjustable hook square column 117, an adjustable hook screw 118, an eccentric pressing disc 130, a locking handle 131, a locking handle supporting shaft 132, a sleeve pin 141, a groove 151, a table leg dovetail block 200, a pressing block 201, a taking groove 202, a supporting plate 203, a support hand wheel 210, a grooved pulley support 211, a connecting shaft 240, a shifting pin 241, a stopping block 242, a notch 261, a stopping surface 262, an upper rotation stabilizing, The lower rotating stabilization half-hole 311, the bearing caulking groove 312, the side groove 313, the stop pin 314, the drawer groove 315, the stationary box groove 316, the stationary box hanging plate 317, the rotating box arc groove 318, the rotating box stationary box positioning hole 319, the upper rotating stabilization half-hole 421 of the trapezoidal box body, the lower rotating stabilization half-hole 422 of the trapezoidal box body, the trapezoidal box body bearing caulking groove 423, the square hole 611, the hanging plate passing observation window 612, the concave groove 613, the hanging plate eccentric locking handle seat 614, the eccentric locking handle groove 615, the lower positioning pin 701, the upper sliding pin 702 and the label mounting groove 703.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description below:

as shown in fig. 1, 2, 3, 4 and 5, the crawler-type fixed box practical training table comprises a rectangular table plate 1, a rectangular square hole hanging plate 6 and a plurality of turnover type fixed boxes 7, wherein a round groove 100 is formed in the middle of the front surface of the rectangular table plate 1, a supporting bearing 8 is arranged at the bottom of the round groove, a rotatable round table top 9 is arranged on the supporting bearing 8, an eccentric handle seat groove 101 and an eccentric handle accommodating groove 102 which are communicated with the round groove are formed in the middle of the front surface of the rectangular table plate, a table top eccentric locking handle 10 is arranged in the eccentric handle seat groove 101, and the eccentric disc round edge of the table top eccentric locking handle 10 is in contact with the round side surface of the rotatable round table top 9; the two sides of the back of the rectangular table board 1 are respectively provided with a table board dovetail groove 103, the middle of the table board dovetail groove is provided with a double-layer hanger 11, two ends of the table board dovetail groove 103 are respectively provided with a square table leg 2, the top end of the square table leg 2 is provided with a table leg dovetail block 200 matched with the table board dovetail groove, the square table leg is provided with a pressing block 201 below the table leg dovetail block, the upper surface of the pressing block 201 is contacted with the back of the rectangular table board 1, a table leg eccentric locking handle 13 is arranged below the pressing block 201, the upper part of the square table leg 2 is provided with an upper matching sleeve 14, the lower part of the square table leg is provided with a lower matching sleeve 15, the upper part of the lower matching sleeve 15 is provided with a step, the middle of the step is provided with a groove 151, the upper matching sleeve 14 and the lower matching sleeve 15 are fixed on the square table leg through a sleeve pin 141, a semi-split type rotary box 3 is arranged between the upper matching sleeve 14 and the lower matching, the two half-split rollers 4 are sleeved with a fixed box mounting crawler belt 5.

As shown in fig. 6, the eccentric locking handle 13 of the table leg comprises two eccentric pressing disks 130, a locking handle 131 and a locking handle supporting shaft 132, the two ends of the locking handle supporting shaft 132 are connected with the eccentric pressing disks 130, the axis of the locking handle supporting shaft 132 deviates from the axes of the two eccentric pressing disks 130 to a certain extent, the two eccentric pressing disks are coaxial, and the locking handle 131 is connected with the outer circle of one of the eccentric pressing disks; the round side surfaces of the two eccentric pressing disks of the eccentric locking handle 13 of the table leg are contacted with the lower surface of the pressing block 201.

As shown in fig. 7 and 8, the half-split type rotary box 3 is a cuboid hollow structure, and is composed of two triangular rotary boxes 31, an upper rotationally stable half-hole 310 is arranged in the middle of the top of each triangular rotary box, a lower rotationally stable half-hole 311 is arranged in the middle of the bottom of each triangular rotary box, a bearing caulking groove 312 is arranged at the lower end of the lower rotationally stable half-hole, the top ends of the two triangular rotary boxes are connected with two upper rotary box connecting nuts 33 through two upper rotary box connecting bolts 32, the two side surfaces of each triangular rotary box are connected with two lower rotary box side connecting nuts 35 through two lower rotary box side connecting bolts 34, a radial ball bearing 16 is arranged between the upper rotationally stable half-hole 310 and the upper matching sleeve 14, the lower rotationally stable half-hole 311 is sleeved in a groove 151 of the lower matching sleeve 15, and a thrust ball bearing 17 is arranged between the bearing caulking groove 312 and the lower matching sleeve 15.

Side grooves 313 are respectively arranged at the outer sides of two oblique angles of the triangular rotating box 31, a stop pin 314 is arranged in the middle of each side groove 313, drawer grooves 315 are arranged at the bottoms of two right-angle surfaces of the triangular rotating box 31, and drawers 36 are arranged in the drawer grooves 315; the two right-angle surfaces of the triangular rotating box 31 are provided with fixed box grooves 316 above the drawer, a plurality of fixed box hanging plates 317 are arranged in the middle of the fixed box grooves 316, a plurality of rotating box arc-shaped grooves 318 and a plurality of rotating box fixed box positioning holes 319 are arranged on the side walls of the fixed box grooves 316 and the fixed box hanging plates 317, and a turnover type fixed box 7 is arranged on the two opposite rotating box arc-shaped grooves 318 and the two opposite rotating box fixed box positioning holes 319.

As shown in fig. 9 and 10, the half-split drum 4 has a hexagonal prism hollow structure, and the half-split drum 4 is composed of two equilateral trapezoid boxes 41; be equipped with the half hole 421 of the trapezoidal box top rotational stability in the middle of the equilateral trapezoidal box 41 top, be equipped with the half hole 422 of the trapezoidal box bottom rotational stability under the equilateral trapezoidal box 41 bottom in the middle of, the half hole 422 lower extreme of the trapezoidal box bottom rotational stability is equipped with trapezoidal box bearing caulking groove 423, the top and the bottom of two equilateral trapezoidal boxes 41 are connected through four equilateral trapezoidal box connecting bolts 43 and four equilateral trapezoidal box connecting nuts 44, the upper end and the lower extreme of equilateral box face of equilateral trapezoidal box 41 all are equipped with toper locating pin 45 and the deflector 46 of both ends area hypotenuse, be equipped with radial ball bearing 16 on the trapezoidal box between the half hole 421 of the trapezoidal box and the last cooperation cover 14, the half hole 422 of the trapezoidal box bottom rotational stability cup joints in the recess 151 of cooperation cover 15 down, be equipped with thrust ball bearing 17 between trapezoidal box bearing caulking groove 423 and the cooperation cover 15 down.

As shown in fig. 1, 11 and 12, a mounting plate 21 is arranged on the outer side of the left square table leg 2 of the rectangular table plate 1, hand wheel supports 210 are arranged on the left side and the right side of the mounting plate 21, a sheave pusher dog driving hand wheel 22 is arranged on the hand wheel supports 210, two ends of the sheave pusher dog driving hand wheel 22 penetrate through the hand wheel supports 210 to be connected with the hand wheel supports in a rotating manner, and a main bevel gear 23 is fixedly connected to the rear end of the sheave pusher dog driving hand wheel 22; a sheave pusher dog support 211 is arranged below the left hand wheel support of the mounting plate 21, a sheave pusher dog plate 24 is arranged on the sheave pusher dog support 211, a connecting shaft 240 is arranged in the center of the sheave pusher dog plate, the connecting shaft penetrates through the sheave pusher dog support to be rotatably connected with the sheave pusher dog support 211, a pusher pin 241 and a stop block 242 are arranged on the sheave pusher dog plate, and a slave bevel gear 25 is fixedly connected to the rear end of the connecting shaft; the half-split roller 4 on the back side table leg 2 is provided with a six-tooth grooved wheel 26, and the six-tooth grooved wheel 26 is provided with 6 notches 261 distributed circumferentially and 6 stopping surfaces 262 distributed circumferentially; the six-tooth grooved pulley 26, the poking pin 241 and the grooved pulley poking claw disc 24 form a grooved pulley transmission mechanism; the main bevel gear 23 and the sub bevel gear 25 are engaged and constitute a gear transmission mechanism.

As shown in fig. 13, 14 and 15, the set box installation crawler 5 includes a plurality of crawler plates 50 and a plurality of elastic connecting rings 51, wherein the crawler plates 50 are provided with connecting ring through holes 52 at both sides thereof, and the plurality of elastic connecting rings 51 penetrate through the connecting ring through holes 52 to sequentially connect the plurality of crawler plates 50 into a ring shape; the front side of the crawler plate 50 is provided with a plurality of crawler belt fixed box hanging plates 53, the crawler belt fixed box hanging plates 53 are provided with a plurality of crawler belt arc-shaped grooves 54 and a plurality of crawler belt fixed box positioning holes 55, and the two opposite crawler belt arc-shaped grooves 54 and the two opposite crawler belt fixed box positioning holes 55 are provided with a turnover type fixed box 7; the upper end and the lower end of the middle of the rear side of the track shoe 50 are respectively provided with a conical positioning hole 56 matched with the conical positioning pin 45, and the middle of the front surface of the track shoe 50 is provided with a partition color block slot 57; a track cover 20 is arranged outside the track for mounting the stationary box, supporting plates 203 are arranged on two sides of the bottom of the track cover and are connected with square table leg pins, the bottom of the track cover is fixedly connected with the supporting plates, and a workpiece taking groove 202 is formed in the front end of the track cover 20.

As shown in fig. 16 and 17, the double-layer hanger 11 includes two main upright posts 110, a hanger dovetail block 111 matched with the table dovetail groove 103 is arranged at the top end of the main upright post 110, two adjustable hooks 112 are arranged at the lower end of the double-layer hanger 11 on the right side of the rectangular table 1, an upper hanging rod 113 is arranged in the middle of the inner side of the double-layer hanger 11, a lower hanging rod 114 is arranged at the lower end of the inner side of the double-layer hanger 11, oil receiving basins 12 are arranged on the two lower hanging rods 114, a square through hole 115 is arranged in the middle of the main upright post 110, and an observation groove 116; the handle part of the adjustable hook 112 is provided with an adjustable hook square column 117, the adjustable hook square column 117 is matched with the square through hole 115 of the double-layer hanger 11, the rear end of the adjustable hook square column 117 is provided with a screw through hole, and the screw through hole is provided with an adjustable hook screw 118.

As shown in fig. 18, the rectangular square hole hanging plate 6 includes a hanging plate body 61 and two hanging plate eccentric locking handles 62, the front surface of the hanging plate body 61 is provided with a plurality of square holes 611, the middle of the front surface of the hanging plate body 61 is provided with a hanging plate passing through an observation window 612, the inner side of the bottom end of the hanging plate body 61 is provided with a concave groove 613, the concave groove 613 is sleeved with the rectangular table plate 1, both sides of the bottom end of the concave groove 613 are provided with hanging plate eccentric locking handle seats 614, the middle of the hanging plate eccentric locking handle seats 614 is provided with an eccentric locking handle groove 615 communicated with the concave groove 613, the hanging plate eccentric locking handle 62 is arranged in the eccentric locking handle groove 615, and the eccentric disc round edge of the.

As shown in fig. 19, a lower positioning pin 701 and an upper sliding pin 702 are disposed at two ends of the outer side of the rear end of the flip type stationary box 7, and a label mounting groove 703 is disposed in front of the flip type stationary box 7; the lower positioning pin 701 is coupled to the positioning hole 319 of the rotating box positioning box or the positioning hole 55 of the crawler positioning box, and the upper sliding pin 702 is slidably connected to the arc-shaped slot 318 of the rotating box or the arc-shaped slot 54 of the crawler.

The use principle of the invention is as follows with the attached drawings: as shown in fig. 1, when the practical training table with the crawler-type fixed box is used, a radial ball bearing 16 is arranged in an upper matching sleeve 14, a thrust ball bearing 17 is arranged in a lower matching sleeve 15, and then the upper matching sleeve 14 and the lower matching sleeve 15 are sequentially arranged on a square table leg 2 and fixed on the square table leg through a sleeve pin 141; the double-layer hanging rack 11 is clamped into a table board dovetail groove 103 on the back of the rectangular table board 1, then the square table legs 2 are clamped into the table board dovetail groove 103 on the back of the rectangular table board 1 from two sides, and the eccentric locking handles 13 of the table legs are locked, so that the crawler-type fixed box practical training table is stable and immovable after being initially assembled; two triangular rotating boxes 31 are hung on an upper matching sleeve 14 and a lower matching sleeve 15 of the square table leg at the front right, and are connected in a locking manner by an upper rotating box connecting bolt 32 and an upper rotating box connecting nut 33, and are connected in a locking manner by a rotating box side connecting bolt 34 and a rotating box side connecting nut 35, so that the semi-split rotating box 3 is hung on the square table leg 2; four equilateral trapezoid boxes 41 are hung on the upper matching sleeve 14 and the lower matching sleeve 15 of the left square table leg and are locked and connected by equilateral trapezoid box connecting bolts 43 and equilateral trapezoid box connecting nuts 44, so that the two half-divided rollers 4 are hung on the square table leg 2; sleeving the fixed box installation crawler 5 on the two half-split rollers 4, and sleeving a crawler cover 20; the concave groove 613 on the rectangular square hole hanging plate 6 is sleeved on the rear side edge of the rectangular table plate 1, the hanging plate eccentric locking handle 62 is locked, the rectangular square hole hanging plate 6 is fixed behind the rectangular table plate 1, the oil basin 12 is placed on the lower layer of the double-layer hanging rack 11, and the crawler-type fixed box practical training table can be used; when needing to take or deposit corresponding article from convertible set box 7 on the set box installation track, rotate sheave pusher dog drive hand wheel 22, drive half minute formula cylinder and rotate 4, when the set box of corresponding subregion is changeed in getting a groove 202, with convertible set box 7 toward turning up, just can take, deposit corresponding article, very convenient. As shown in fig. 20, when the four sides of the rectangular table board 1 are required to be used for practical training and the rectangular square-hole hanging board 6 needs to be removed, the eccentric locking handle 62 of the hanging board is loosened, and the rectangular square-hole hanging board 6 is taken down and placed on the upper layer of the double-layer hanging rack 11.

Claims

1. A crawler-type fixed box training table comprises a rectangular table plate, a rectangular square hole hanging plate and a plurality of turnover type fixed boxes, and is characterized in that a round groove is formed in the middle of the front face of the rectangular table plate, a supporting bearing is arranged at the bottom of the round groove, a rotatable round table top is arranged on the supporting bearing, an eccentric handle seat groove and an eccentric handle containing groove which are communicated with the round groove are formed in the middle of the front face of the rectangular table plate, a table top eccentric locking handle is arranged in the eccentric handle seat groove, and the eccentric disc round edge of the table top eccentric locking handle is in contact with the round side face of the rotatable round table top; the two sides of the back of the rectangular table plate are provided with table plate dovetail grooves, a double-layer hanging frame is arranged in the middle of the table plate dovetail grooves, square table legs are arranged at two ends of the table plate dovetail grooves, table leg dovetail blocks matched with the table plate dovetail grooves are arranged at the top ends of the square table legs, pressing blocks are arranged below the table leg dovetail blocks of the square table legs, the upper surfaces of the pressing blocks are in contact with the back of the rectangular table plate, table leg eccentric locking handles are arranged below the pressing blocks, upper matching sleeves are arranged at the upper parts of the square table legs, lower matching sleeves are arranged at the lower parts of the square table legs, steps are arranged at the upper parts of the lower matching sleeves, grooves are formed in the middle of the steps, the upper matching sleeves and the lower matching sleeves are fixed on the square table legs through sleeve pins, semi-split type rotary boxes are arranged between the upper matching sleeves and the lower matching sleeves of the square table legs on the right side of the practical training table, and semi-split type rotary cylinders, the two half-split rollers are sleeved with a fixed box mounting crawler belt; the fixed box installation crawler comprises a plurality of crawler plates and a plurality of elastic connecting rings, wherein connecting ring through holes are formed in two sides of each crawler plate, and the elastic connecting rings penetrate through the connecting ring through holes to sequentially connect the crawler plates into a ring shape; the front side of the crawler plate is provided with a plurality of crawler belt positioning box hanging plates, the crawler belt positioning box hanging plates are provided with a plurality of crawler belt arc-shaped grooves and a plurality of crawler belt positioning box positioning holes, and the two opposite crawler belt arc-shaped grooves and the two opposite crawler belt positioning box positioning holes are provided with a turnover type positioning box; the upper end and the lower end of the middle of the rear side of the creeper tread are respectively provided with a conical positioning hole matched with the conical positioning pin, and the middle of the front surface of the creeper tread is provided with a partition color block slot; a track cover is arranged outside the fixed box installation track, supporting plates are arranged on two sides of the bottom of the track cover and are in pin connection with square table legs, the bottom of the track cover is fixedly connected with the supporting plates, and a workpiece taking groove is formed in the front end of the track cover.

2. The practical training table for the crawler-type fixed boxes according to claim 1, wherein the eccentric locking handles of the table legs comprise two eccentric pressing disks, a locking handle and a locking handle supporting shaft, the two ends of the locking handle supporting shaft are connected with the eccentric pressing disks, the axis of the locking handle supporting shaft is offset from the axes of the two eccentric pressing disks, the two eccentric pressing disks are coaxial, and the locking handle is connected with the outer circle of one eccentric pressing disk; the round side surfaces of the two eccentric pressing disks of the eccentric locking handle of the table leg are contacted with the lower surface of the pressing block.

3. The practical training table with the crawler-type fixed boxes according to claim 1, wherein the semi-split type rotary box is of a cuboid hollow structure and consists of two triangular rotary boxes, an upper rotary stabilizing half hole is formed in the middle of the top of each triangular rotary box, a lower rotary stabilizing half hole is formed in the middle of the bottom of each triangular rotary box, a bearing caulking groove is formed in the lower end of each lower rotary stabilizing half hole, the top ends of the two triangular rotating boxes are connected with the connecting nuts on the two rotating boxes through the connecting bolts on the two rotating boxes, the side surfaces of the two sides of the triangular rotating boxes are respectively connected with the connecting nuts on the two rotating box sides through the connecting bolts on the two rotating box sides, the radial ball bearing is arranged between the upper rotationally-stable half hole and the upper matching sleeve, the lower rotationally-stable half hole is sleeved in a groove of the lower matching sleeve, and the thrust ball bearing is arranged between the bearing caulking groove and the lower matching sleeve.

4. The practical training table for the crawler-type fixed boxes according to claim 3, wherein side grooves are respectively formed in the outer sides of two oblique angles of the triangular rotating box, a stop pin is arranged in the middle of each side groove, drawer grooves are formed in the bottoms of two right-angle surfaces of the triangular rotating box, and drawers are arranged in the drawer grooves; the two right-angle sides of triangle-shaped commentaries on classics case all be equipped with the stationary box recess in drawer top, stationary box recess in the middle of be equipped with a plurality of stationary box link plate, stationary box recess lateral wall go up and be equipped with a plurality of commentaries on classics case arc wall and a plurality of commentaries on classics case stationary box locating hole on the stationary box link plate, two relative commentaries on classics case arc wall and two relative commentaries on classics case stationary box locating holes on install a convertible stationary box.

5. The practical training table with the crawler-type fixed boxes according to claim 1, wherein the semi-divided roller is of a hexagonal prism hollow structure and consists of two equilateral trapezoid boxes; equilateral trapezoid box top in the middle of be equipped with trapezoidal box on the rotational stability half hole, equilateral trapezoid box bottom in the middle of be equipped with trapezoidal box under the rotational stability half hole, trapezoidal box under the rotational stability half hole lower extreme be equipped with trapezoidal box bearing caulking groove, the top and the bottom of two equilateral trapezoid boxes are connected through four equilateral trapezoid box connecting bolt and four equilateral trapezoid box coupling nut, the equal limit box face's of equilateral trapezoid box upper end and lower extreme all be equipped with the deflector of toper locating pin and both ends area hypotenuse, trapezoidal box on the rotational stability half hole and go up the cooperation cover between be equipped with radial ball bearing, trapezoidal box under the rotational stability half hole cup joint under in the recess of cooperation cover, trapezoidal box bearing caulking groove and cooperation cover down between be equipped with thrust ball bearing.

6. The practical training table with the crawler-type fixed boxes according to claim 1 or 5, wherein a mounting plate is arranged on the outer side of a left square table leg of the rectangular table plate, hand wheel supports are arranged on the left side and the right side of the mounting plate respectively, a sheave pusher dog driving hand wheel is arranged on each hand wheel support, two ends of the sheave pusher dog driving hand wheel penetrate through the hand wheel supports to be connected with the hand wheel supports in a rotating mode, and a main bevel gear is fixedly connected to the rear end of the sheave pusher dog driving hand wheel; a grooved pulley pusher dog support is arranged below the left hand wheel support of the mounting plate, a grooved pulley pusher dog plate is arranged on the grooved pulley pusher dog support, a connecting shaft is arranged at the center of the grooved pulley pusher dog plate, the connecting shaft penetrates through the grooved pulley pusher dog support to be rotatably connected with the grooved pulley pusher dog support, a pusher pin and a stop block are arranged on the grooved pulley pusher dog plate, and a slave bevel gear is fixedly connected to the rear end of the connecting shaft; the semi-divided type roller positioned on the back side-shaped table leg is provided with a six-tooth grooved wheel, and the six-tooth grooved wheel is provided with six notches which are circumferentially distributed and six stop surfaces which are circumferentially distributed; the six-tooth grooved pulley, the poking pin and the grooved pulley poking claw disc form a grooved pulley transmission mechanism; the main bevel gear and the auxiliary bevel gear are meshed to form a gear transmission mechanism.

7. The practical training table for the crawler-type fixed boxes according to claim 1, wherein the double-layer hanging rack comprises two main vertical rods, a hanging rack dovetail block matched with a table dovetail groove is arranged at the top end of each main vertical rod, two adjustable hooks are arranged at the lower end of the double-layer hanging rack on the right side of the rectangular table, an upper hanging rod is arranged in the middle of the inner side of the double-layer hanging rack, a lower hanging rod is arranged at the lower end of the inner side of the double-layer hanging rack, oil containing basins are arranged on the two lower hanging rods, a square through hole is formed in the middle of each main vertical rod, and an observation groove is formed in the outer side of; the adjustable hook handle part is provided with an adjustable hook square column which is matched with the square through hole of the double-layer hanging rack, the rear end of the adjustable hook square column is provided with a screw through hole, and an adjustable hook screw is arranged on the screw through hole.

8. The practical training table for the crawler-type fixed boxes according to claim 1 is characterized in that the rectangular square hole hanging plate comprises a hanging plate body and two hanging plate eccentric locking handles, a plurality of square holes are formed in the front face of the hanging plate body, a hanging plate is arranged in the middle of the front face of the hanging plate body and penetrates through an observation window, a concave groove is formed in the inner side of the bottom end of the hanging plate body and is sleeved with the rectangular table plate, hanging plate eccentric locking handle seats are arranged on two sides of the bottom end of the concave groove, an eccentric locking handle groove communicated with the concave groove is formed in the middle of the hanging plate eccentric locking handle seat, the eccentric locking handles are arranged in the eccentric locking handle grooves, and eccentric disc round edges of the hanging plate eccentric locking handles are in contact with the back face of the rectangular table plate.

9. The practical training table for the crawler-type fixed boxes according to claim 1 or 4, wherein a lower positioning pin and an upper sliding pin are arranged at two ends of the outer side of the rear end of the turnover-type fixed box, and a label mounting groove is formed in the front of the turnover-type fixed box; the lower positioning pin is in shaft connection with the positioning hole of the rotary box fixed box or the positioning hole of the crawler fixed box, and the upper sliding pin is in sliding connection with the arc-shaped groove of the rotary box or the arc-shaped groove of the crawler.