CN214990061U

CN214990061U - Light-load high-speed clamping type pallet fork

Info

Publication number: CN214990061U
Application number: CN202022785384.6U
Authority: CN
Inventors: 王建忠; 王俊婷
Original assignee: Mias Logistics Equipment Kunshan Co ltd
Current assignee: Mias Logistics Equipment Kunshan Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-12-03
Anticipated expiration: 2030-11-27

Abstract

The utility model provides a high-speed clamp of underloading embraces formula fork, includes the lower fork subassembly, driving motor, transmission pivot, fork base and the hold-in range that the middle fork subassembly, two symmetries that two symmetries set up, the lower fork subassembly sets up on the fork base, the middle fork subassembly sets up under on the fork subassembly, go up the fork subassembly setting under on the middle fork subassembly, driving motor sets up on the fork base to driving motor and transmission pivot are connected, the transmission pivot is connected with the lower fork subassembly, the one end of hold-in range is with fork subassembly fixed connection down to the other end of hold-in range is passed in the middle fork subassembly and is connected with the upper fork subassembly. The invention comprises a clamping type fork mechanism arranged on a stacker or an AGV trolley. The utility model discloses a fast-speed clamp of underloading embraces formula fork, this mechanism can be according to the finger that dials that the goods size selection put down, get back the goods. The device has the advantages of simple structure and convenience in installation, improves the working efficiency of the device and reduces the cost.

Description

Light-load high-speed clamping type pallet fork

Technical Field

The utility model belongs to the technical field of flexible fork, specifically, relate to a fast-speed clamp formula fork of underloading.

Background

In recent years, with the continuous expansion of the logistics industry, the logistics management means and technology are continuously improved and improved, the common characteristics of logistics development in economically developed countries are that the logistics management means and technology is continuously improved and improved, the logistics time is shortened, the logistics cost is saved, the logistics efficiency is improved, and the logistics organization is rationalized. At present, it has become one of the signs of informatization of enterprise production and management. The stacker is the core equipment of the whole automatic stereoscopic warehouse, and is widely applied to the industries of storage, paper making, packaging, printing, tobacco, household appliances, wine and beverages, wool and cotton textile, ports and docks, railways, automobile manufacturing, steel smelting, chemical engineering, buildings and the like.

With the increasing application of industrial automation in manufacturing enterprises, the necessary means for improving the operation efficiency of the enterprises and reducing the labor cost becomes the necessary means for improving the competitiveness of the enterprises; and the clamp type storage stacker is more and more widely used in automatic storage. However, the clamp type pallet fork in the market at present has the following problems:

firstly, the height is always more than 200mm, which often causes waste on the vertical warehouse space;

secondly, because the wiring problem of the dial motor and the inductive switch thereof needs to be considered, a drag chain needs to be configured in the extending fork direction, so that the structure is complex and the assembly and maintenance are difficult;

and thirdly, the existing market adopts a gear rack or chain wheel chain transmission mode, so that the equipment is heavy.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a fast-speed clamp of underloading embraces formula fork has solved prior art, and the fork is high, has reduced the memory space on the goods shelves vertical height in the automatic three-dimensional storehouse to and the structure of fork is complicated, the problem of equipment maintenance difficulty.

The technical scheme is as follows: the utility model provides a fast-speed clamp of underloading embraces formula fork, the lower fork subassembly, driving motor, transmission pivot, fork base and the hold-in range that the well fork subassembly, two symmetries set up that set up including two symmetries set up, the well fork subassembly that two symmetries set up and the lower fork subassembly one-to-one setting that two symmetries set up of the last fork subassembly that sets up, two symmetries set up, the lower fork subassembly sets up on the fork base, well fork subassembly sets up on the lower fork subassembly, go up the fork subassembly setting on well fork subassembly, driving motor sets up on the fork base to driving motor and transmission pivot are connected, transmission pivot and lower fork subassembly are connected, the one end of hold-in range and lower fork subassembly fixed connection to the other end of hold-in range passes well fork subassembly and last fork subassembly and connects. The invention comprises a clamping type fork mechanism arranged on a stacker or an AGV trolley. The utility model discloses a fast-speed clamp of underloading embraces formula fork, this mechanism can be according to the finger that dials that the goods size selection put down, get back the goods. The device has the advantages of simple structure and convenience in installation, improves the working efficiency of the device and reduces the cost.

Further, the fast-speed clamp of foretell light load embraces formula fork, the subassembly of forking down includes fork curb plate, fork, a set of fork fixed plate, bearing frame mounting panel, initiative synchronous pulley, fork hold-in range and driven synchronous pulley down, a set of fork fixed plate is fixed to be set up on the fork base down, the fork sets up on a set of fork fixed plate down, the fork curb plate is fixed to be set up under on the fork, the bearing frame mounting panel sets up on the outer wall of fork down, the bearing frame sets up on the bearing frame mounting panel, initiative synchronous pulley and driven synchronous pulley all set up on the fork curb plate down, fork hold-in range cover is established on initiative synchronous pulley and driven synchronous pulley down, the transmission pivot sets up on the bearing frame to initiative synchronous pulley and transmission pivot are connected.

Further, foretell high-speed clamp formula fork of embracing of underload, be equipped with motor key and two synchronous pulley keys on the transmission pivot, driving synchronous pulley passes through synchronous pulley key and transmission pivot to be connected, driving motor is connected with the one end that the transmission pivot was equipped with the motor key.

Further, the high-speed formula fork of embracing of pressing from both sides of foretell light load, well fork subassembly includes well fork, a set of hold-in range rack, well fork synchronous pulley, lower fork guide rail and fork guide rail on all set up in the well fork, fork and fork guide rail sliding connection down, a set of hold-in range rack is fixed to be set up on the lower terminal surface of well fork to a set of hold-in range rack meshes with the external tooth of lower fork hold-in range, go up fork subassembly and fork guide rail sliding connection, hold-in range can twine and pass well fork synchronous pulley.

Further, the fast-speed clamp of foretell light load embraces formula fork, be equipped with the tensioning ware subassembly on the fork subassembly down, the tensioning ware subassembly includes tensioning seat, tensioning piece, threaded rod, spring, sleeve, clamp plate and nut, the tensioning seat is fixed to be set up under on the fork subassembly, be equipped with recess one on the tensioning seat, the tensioning piece sets up in recess one, the one end of threaded rod can be passed the tensioning seat and stretch out in recess one to the threaded rod stretches into tip and tensioning piece in the recess one and connects, the spring housing is established on the threaded rod lies in the tip outside the tensioning seat to the sleeve cover is established in the outside of spring, nut and threaded rod threaded connection, the clamp plate sets up on the tensioning piece, the one end of hold-in range compresses tightly on the tensioning piece through the clamp plate.

Furthermore, according to the light-load high-speed clamping and embracing type fork, the upper fork assembly is provided with the group of shifting finger assemblies, the group of shifting finger assemblies are sequentially arranged on the upper fork assembly in a row along the telescopic direction of the fork, the upper fork assembly is provided with the group of first rectangular through holes, and the shifting fingers of the shifting finger assemblies can extend out of the first rectangular through holes.

Further, foretell high-speed clamp of underloading embraces formula fork, dial the subassembly that indicates and include direct current motor, direct current motor support, shaft coupling, transition axle, installation piece, switch support, switch and dial and indicate, direct current motor and installation piece are all fixed to be set up on direct current motor support, direct current motor's pivot and coupling joint, shaft coupling and transition axle are connected, the transition axle sets up on the installation piece, the switch support sets up on direct current motor support, the switch sets up on switch support, dial and indicate to connect with the transition axle, it can follow the rectangle through-hole and stretch out in one to dial the finger.

Further, in the light-load and high-speed clamping pallet fork, the two ends of the synchronous belt wheel key in the axial direction of the transmission rotating shaft are provided with the check rings.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: fast-speed clamp formula fork of underloading, have following advantage:

1. in order to reduce the space position occupation and the structural complexity of the drag chain, a power transmission cable is integrated in the synchronous belt, so that the synchronous belt is a buckle of a transmission link and is also the power transmission cable. Two transmission cables are arranged in one synchronous belt, the direct current motor and the switch outgoing line are input into an electric control element, the output of the electric control element is connected with the cable of the synchronous belt, and the synchronous belt is fixedly pressed at one end of the tensioner assembly to be connected with an electric control cabinet to form a passage.

2. The transmission among the upper fork assembly, the middle fork assembly and the lower fork assembly of the mechanism is carried out through synchronous belts, the transmission is accurate, no sliding is generated during the work, and the constant transmission ratio is realized; the transmission is stable, the buffer and vibration reduction capability is realized, and the noise is low; the transmission efficiency is high and can reach 0.98, and the energy-saving effect is obvious; the maintenance is convenient, the lubrication is not needed, and the maintenance cost is low; the speed ratio range is large, generally can reach 10, the upper cross linear speed can reach 1m/s, the power transmission range is large, the power transmission range can reach several watts to several kilowatts, and the application range of the clamp-type light load is far enough. Sixthly, the device can be used for long-distance transmission, and the center distance adjusting range is large, so that the device has a wide application range.

Drawings

Fig. 1 is a schematic view of the overall structure of a light-load high-speed clamping pallet fork according to the present invention;

FIG. 2 is a schematic structural view of the gear belt of the present invention;

fig. 3 is an enlarged view of a portion of fig. 2 according to the present invention;

fig. 4 is a schematic structural view of the middle fork assembly of the present invention;

fig. 5 is a partial enlarged view of fig. 4 according to the present invention;

fig. 6 is a schematic structural view of the lower fork assembly of the present invention;

fig. 7 is a top view of the lower fork assembly of the present invention;

FIG. 8 is a cross-sectional view taken along line A-A of FIG. 7 in accordance with the present invention;

fig. 9 is a schematic structural view of the transmission shaft of the present invention;

fig. 10 is a schematic view of the tensioner assembly of the present invention;

fig. 11 is a schematic structural view of the finger-pushing assembly of the present invention.

In the figure: the device comprises an upper fork assembly 1, a first rectangular through hole 11, a middle fork assembly 2, a middle fork 21, a synchronous belt rack 22, a middle fork synchronous pulley 23, a lower fork guide rail 24, an upper fork guide rail 25, a lower fork assembly 3, a lower fork side plate 31, a lower fork 32, a lower fork fixing plate 33, a bearing seat 34, a bearing seat mounting plate 35, a driving synchronous pulley 36, a lower fork synchronous belt 37, a driven synchronous pulley 38, a driving motor 4, a transmission rotating shaft 5, a motor key 51, a synchronous pulley key 52, a retainer ring 53, a fork base 6, a synchronous belt 7, a tensioner assembly 8, a tensioning seat 81, a tensioning block 82, a threaded rod 83, a spring 84, a sleeve 85, a pressing plate 86, a nut 87, a finger shifting assembly 9, a direct current motor 91, a direct current motor support 92, a coupler 93, a transition shaft 94, a mounting block 95, a switch support 96, a switch 97 and a finger shifting 98.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present 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", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example one

The light-load high-speed clamping type pallet fork shown in figures 1-3 comprises two symmetrically arranged upper fork assemblies 1, two symmetrically arranged middle fork assemblies 2, two symmetrically arranged lower fork assemblies 3, a driving motor 4, a transmission rotating shaft 5, a pallet fork base 6 and a synchronous belt 7, the two symmetrically arranged upper fork assemblies 1, the two symmetrically arranged middle fork assemblies 2 and the two symmetrically arranged lower fork assemblies 3 are arranged in a one-to-one correspondence way, the lower fork assembly 3 is arranged on the fork base 6, the middle fork assembly 2 is arranged on the lower fork assembly 3, the upper fork assembly 1 is arranged on the middle fork assembly 2, the driving motor 4 is arranged on the fork base 6, and the driving motor 4 is connected with the transmission rotating shaft 5, the transmission rotating shaft 5 is connected with the lower fork component 3, one end of the synchronous belt 7 is fixedly connected with the lower fork assembly 3, and the other end of the synchronous belt 7 penetrates through the middle fork assembly 2 to be connected with the upper fork assembly 1.

The lower fork assembly 3 shown in fig. 6 to 8 includes a lower fork side plate 31, a lower fork 32, a set of lower fork fixing plates 33, a bearing housing 34, a bearing housing mounting plate 35, a driving timing pulley 36, a lower fork timing belt 37 and a driven timing pulley 38, the group of lower fork fixing plates 33 is fixedly arranged on the fork base 6, the lower fork 32 is arranged on the group of lower fork fixing plates 33, the lower fork side plate 31 is fixedly arranged on the lower fork 32, the bearing seat mounting plate 35 is arranged on the outer wall of the lower fork 32, the bearing seat 34 is provided on the bearing seat mounting plate 35, the driving synchronous pulley 36 and the driven synchronous pulley 38 are both provided on the under-fork side plate 31, the lower fork synchronous belt 37 is sleeved on the driving synchronous pulley 36 and the driven synchronous pulley 38, the transmission shaft 5 is disposed on the bearing seat 34, and the driving synchronous pulley 36 is connected to the transmission shaft 5.

As shown in fig. 9, a motor key 51 and two synchronous pulley keys 52 are provided on the transmission rotating shaft 5, the driving synchronous pulley 36 is connected with the transmission rotating shaft 5 through the synchronous pulley key 52, and the driving motor 4 is connected with one end of the transmission rotating shaft 5 provided with the motor key 51. Two ends of the synchronous pulley key 52 along the axial direction of the transmission rotating shaft 5 are provided with retaining rings 53.

Example two

The middle fork assembly 2 shown in fig. 4 and 5 comprises a middle fork 21, a set of synchronous belt racks 22, a middle fork synchronous pulley 23, a lower fork guide rail 24 and an upper fork guide rail 25, wherein the lower fork guide rail 24 and the upper fork guide rail 25 are both arranged on the middle fork 21, the lower fork 32 and the lower fork guide rail 24 are connected in a sliding manner, the set of synchronous belt racks 22 are fixedly arranged on the lower end surface of the middle fork 21, the set of synchronous belt racks 22 are meshed with the external teeth of a lower fork synchronous belt 37, the upper fork assembly 1 and the upper fork guide rail 25 are connected in a sliding manner, and the synchronous belt 7 can be wound through the middle fork synchronous pulley 23.

EXAMPLE III

The lower fork assembly 3 shown in fig. 10 is provided with the tensioner assembly 8, the tensioner assembly 8 comprises a tensioning seat 81, a tensioning block 82, a threaded rod 83, a spring 84, a sleeve 85, a pressing plate 86 and a nut 87, the tensioning seat 81 is fixedly arranged on the lower fork assembly 3, a first groove 88 is formed in the tensioning seat 81, the tensioning block 82 is arranged in the first groove 88, one end of the threaded rod 83 can penetrate through the tensioning seat 81 to extend out of the first groove 88, the end of the threaded rod 83 extending into the first groove 88 is connected with the tensioning block 82, the spring 84 is sleeved on the end of the threaded rod 83 located outside the tensioning seat 81, the sleeve 85 is sleeved on the outer portion of the spring 84, the nut 87 is in threaded connection with the threaded rod 83, the pressing plate 86 is arranged on the tensioning block 82, and one end of the synchronous belt 7 is pressed on the tensioning block 82 through the pressing plate 86.

Example four

As shown in fig. 1 and 11, a group of shifting finger assemblies 9 are arranged on the upper fork assembly 1, the group of shifting finger assemblies 9 are sequentially arranged on the upper fork assembly 1 in a row along the telescopic direction of the fork, a group of rectangular through holes i 11 are arranged on the upper fork assembly 1, and the shifting fingers of the shifting finger assemblies 9 can extend out of the rectangular through holes i 11. The dial assembly 9 comprises a direct current motor 91, a direct current motor support 92, a coupler 93, a transition shaft 94, a mounting block 95, a switch support 96, a switch 97 and a dial finger 98, the direct current motor 91 and the mounting block 95 are fixedly arranged on the direct current motor support 92, a rotating shaft of the direct current motor 91 is connected with the coupler 93, the coupler 93 is connected with the transition shaft 94, the transition shaft 94 is arranged on the mounting block 95, the switch support 96 is arranged on the direct current motor support 92, the switch 97 is arranged on the switch support 96, the dial finger 98 is connected with the transition shaft 94, and the dial finger 98 can extend out of a rectangular through hole I11.

The utility model discloses a fast-speed clamp formula fork theory of operation of underloading does:

the clamping type fork is fixed on a stacker or an AGV by the base component; the driving motor is started to drive the transmission assembly to rotate; therefore, the driving synchronous belt wheel rotates to drive the synchronous belt and the driven synchronous belt component to rotate due to the connection of the synchronous belt wheel key and the driving synchronous belt wheel; the synchronous belt rotates to drive the rack of the synchronous belt to move forwards, and the middle fork assembly extends out; because the timing belt is wrapped around the center fork assembly and secured to the upper fork assembly and tensioner assembly by the pressure plate assembly, when the center fork assembly is extended, the upper fork assembly is extended forward as well, by analogy with the moving pulley principle, at twice the speed of the center fork assembly. After the upper fork assembly and the middle fork assembly extend out of place, which fingers of the action finger assembly are judged according to the positions of the goods; the function principle of the finger-poking component is that the direct current motor acts to drive the coupling and the transition shaft to rotate forwards and backwards through the forward connection and the reverse connection of current, so that the finger-poking component is put down or lifted; after the shifting finger is put down, the driving motor drives reversely, so that the fork is retracted.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a high-speed clamp formula fork of underloading which characterized in that: comprises two symmetrically arranged upper fork assemblies (1), two symmetrically arranged middle fork assemblies (2), two symmetrically arranged lower fork assemblies (3), a driving motor (4), a transmission rotating shaft (5), a pallet fork base (6) and a synchronous belt (7), wherein the two symmetrically arranged upper fork assemblies (1), the two symmetrically arranged middle fork assemblies (2) and the two symmetrically arranged lower fork assemblies (3) are arranged in a one-to-one correspondence manner, the lower fork assemblies (3) are arranged on the pallet fork base (6), the middle fork assemblies (2) are arranged on the lower fork assemblies (3), the upper fork assemblies (1) are arranged on the middle fork assemblies (2), the driving motor (4) is arranged on the pallet fork base (6) and is connected with the transmission rotating shaft (5), the transmission rotating shaft (5) is connected with the lower fork assemblies (3), one end of the synchronous belt (7) is fixedly connected with the lower fork assemblies (3), and the other end of the synchronous belt (7) passes through the middle fork assembly (2) and is connected with the upper fork assembly (1).

2. The light load, high speed bracketing pallet fork of claim 1 further comprising: the lower fork assembly (3) comprises a lower fork side plate (31), a lower fork (32), a group of lower fork fixing plates (33), a bearing seat (34), a bearing seat mounting plate (35), a driving synchronous pulley (36), a lower fork synchronous belt (37) and a driven synchronous pulley (38), wherein the group of lower fork fixing plates (33) are fixedly arranged on the pallet fork base (6), the lower fork (32) is arranged on the group of lower fork fixing plates (33), the lower fork side plate (31) is fixedly arranged on the lower fork (32), the bearing seat mounting plate (35) is arranged on the outer wall of the lower fork (32), the bearing seat (34) is arranged on the bearing seat mounting plate (35), the driving synchronous pulley (36) and the driven synchronous pulley (38) are both arranged on the lower fork side plate (31), the lower fork synchronous belt (37) is sleeved on the driving synchronous pulley (36) and the driven synchronous pulley (38), the transmission rotating shaft (5) is arranged on the bearing seat (34), and the driving synchronous pulley (36) is connected with the transmission rotating shaft (5).

3. The light load, high speed bracketing pallet fork of claim 2 further comprising: be equipped with motor key (51) and two synchronous pulley keys (52) on transmission pivot (5), driving synchronous pulley (36) are connected through synchronous pulley key (52) and transmission pivot (5), driving motor (4) are connected with the one end that transmission pivot (5) were equipped with motor key (51).

4. The light load, high speed bracketing pallet fork of claim 2 further comprising: well fork subassembly (2) are including well fork (21), a set of synchronous belt rack (22), well fork synchronous pulley (23), lower fork guide rail (24) and last fork guide rail (25) all set up on well fork (21), fork (32) and lower fork guide rail (24) sliding connection down, a set of synchronous belt rack (22) is fixed to be set up on the lower terminal surface of well fork (21) to a set of synchronous belt rack (22) meshes with the external tooth of lower fork synchronous belt (37), go up fork subassembly (1) and last fork guide rail (25) sliding connection, hold-in range (7) can twine and pass well fork synchronous pulley (23).

5. The light load, high speed bracketing pallet fork of claim 1 further comprising: be equipped with tensioning ware subassembly (8) on fork subassembly (3) down, tensioning ware subassembly (8) include tensioning seat (81), tensioning piece (82), threaded rod (83), spring (84), sleeve (85), clamp plate (86) and nut (87), tensioning seat (81) is fixed to be set up on fork subassembly (3) down, be equipped with recess (88) on tensioning seat (81), tensioning piece (82) set up in recess (88), one end of threaded rod (83) can pass tensioning seat (81) and stretch out in recess (88), and threaded rod (83) stretch into the tip in recess (88) and tensioning piece (82) are connected, spring (84) cover is established on threaded rod (83) are located the tip outside tensioning seat (81) to sleeve (85) cover is established in the outside of spring (84), nut (87) and threaded rod (83) threaded connection, the pressing plate (86) is arranged on the tensioning block (82), and one end of the synchronous belt (7) is pressed on the tensioning block (82) through the pressing plate (86).

6. The light load, high speed bracketing pallet fork of claim 1 further comprising: go up to fork subassembly (1) and be equipped with a set of group and dial subassembly (9), a set of group dials subassembly (9) and becomes a row and sets gradually on last fork subassembly (1) along the flexible direction of fork, go up and be equipped with a set of rectangle through-hole (11) on fork subassembly (1), dial and indicate that the group of subassembly (9) of indicating can follow rectangle through-hole (11) and stretch out.

7. The light load, high speed bracketing pallet fork of claim 6 further comprising: dial and indicate subassembly (9) including direct current motor (91), direct current motor support (92), shaft coupling (93), transition axle (94), installation piece (95), switch support (96), switch (97) and dial and indicate (98), direct current motor (91) and installation piece (95) are all fixed to be set up on direct current motor support (92), direct current motor's (91) pivot and shaft coupling (93) are connected, shaft coupling (93) and transition axle (94) are connected, transition axle (94) set up on installation piece (95), switch support (96) set up on direct current motor support (92), switch (97) set up on switch support (96), dial and indicate (98) and transition axle (94) are connected, dial and indicate (98) can stretch out in rectangular through-hole (11).

8. The light load, high speed bracketing pallet fork of claim 3 further comprising: and two ends of the synchronous pulley key (52) along the axial direction of the transmission rotating shaft (5) are provided with check rings (53).