CN210340231U - Small-tonnage forklift structure - Google Patents
Small-tonnage forklift structure Download PDFInfo
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- CN210340231U CN210340231U CN201920500776.8U CN201920500776U CN210340231U CN 210340231 U CN210340231 U CN 210340231U CN 201920500776 U CN201920500776 U CN 201920500776U CN 210340231 U CN210340231 U CN 210340231U
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- frame
- oil cylinder
- hook
- groove
- fixing
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- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Abstract
The utility model discloses a small-tonnage forklift structure, which comprises a counterweight and a frame, wherein support pieces are symmetrically arranged on the left and right sides of the inner lower part of the counterweight, each support piece is provided with a groove from the bottom to the top, hooks are symmetrically arranged on the inner tail parts of two side plates of the frame, each hook comprises a horizontal main body and a hook part arranged on the rear end of the top part of the horizontal main body, the hook parts are matched with the grooves, the counterweight is connected to the tail part of the frame after the hook parts are embedded into the corresponding grooves, at least one fixing seat is arranged on the inner upper part of the counterweight, threaded holes are arranged on the fixing seat, fixing plates which correspond to the fixing seats in number and position are arranged on the tail part of the frame, through holes are arranged on the fixing plates, and bolts are used; the forklift has the advantages that the fixed connection structure of the counter weight and the frame is simple, the assembly is convenient, and the assembly and maintenance simplicity of the forklift is improved.
Description
Technical Field
The utility model relates to a fork truck especially relates to a small-tonnage fork truck structure.
Background
In recent years, along with the demand of the battery fork lift truck is increasing, the requirements on various aspects such as the simplicity of assembly and maintenance of the battery fork lift truck in the using process are also increasing. For making the assembly of battery fork truck, maintenance simpler and more convenient, generally all realize through the design that changes the frame, traditional frame has following problem: 1) the counterweight and the frame are usually fixedly connected through a plurality of spatial hole sites, and the assembly process is too complex and very inconvenient; 2) when the battery fork truck works, the wheelbase does not change due to the operation state, but the wheelbase is reduced when the battery fork truck enters a narrow area so as to reduce the turning radius; and when the fork of the battery fork truck is transported, the wheelbase is enlarged to increase the stability of the battery fork truck.
Disclosure of Invention
The utility model aims to solve the technical problem that a small-tonnage fork truck structure is provided, the fixed connection simple structure of its counter weight and frame, convenient assembling to the simplicity of fork truck assembly, maintenance has been improved.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a light-tonnage fork truck structure, includes counter weight and frame, its characterized in that: the lower part of the inner side of the balance weight is symmetrically provided with a supporting piece which is provided with a groove from bottom to top, the inner side tails of the two side plates of the frame are symmetrically provided with a hook, the hook comprises a horizontal main body and a hook part arranged on the rear end of the top of the horizontal main body, the hook part is matched with the groove, the counterweight is hung on the tail part of the frame after the hook part is embedded into the corresponding groove, at least one fixed seat is arranged at the upper part of the inner side of the balance weight, a threaded hole is arranged on the fixed seat, the tail part of the frame is provided with fixing plates which have the same number as the fixing seats and the positions corresponding to the fixing seats, the fixing plate is provided with a through hole, and a bolt penetrates through the through hole to be in threaded connection with the threaded hole to realize the fixation of the balance weight and the tail part of the frame.
The groove is a 45-degree chute, and the hook part is a 45-degree inclined block matched with the groove. The groove is designed to be a 45-degree chute, the hook part is a 45-degree inclined block, and the hook part is embedded into the groove and then attached to two inclined planes, so that stress points are completely concentrated on the inclined planes of the groove, and the counterweight assembly is firmer.
The inner side of the wide opening end of the groove is integrally provided with a horizontal abutting part, the hook part is embedded into the groove correspondingly, then the horizontal abutting part abuts against the top of the horizontal main body, and the free end of the horizontal abutting part just abuts against the joint of the horizontal main body and the hook part. The addition of the horizontal abutting part enables the counterweight to be hung on the tail part of the frame more stably.
The fixing seat is arranged in the middle of the upper part of the inner side of the balance weight, the fixing plate is one, and the fixing plate is arranged in the middle above the tail of the frame. The counterweight is hung under the matching of the hook part and the groove, and the counterweight and the frame are completely fixed by combining the fixed seat and the fixed plate.
The fixing seats are two, the two fixing seats are symmetrically arranged on the left side and the right side of the upper portion of the inner side of the balance weight, the number of the fixing plates is two, and the two fixing plates are symmetrically arranged on the left side and the right side of the tail portion of the frame. The counterweight is hung under the matching of the hook part and the groove, and the counterweight and the frame are completely fixed by combining the fixed seat and the fixed plate.
The small-tonnage forklift structure further comprises a gantry assembly, two front wheels and an inclined oil cylinder, wherein the gantry assembly consists of an outer gantry, an inner gantry and a fork frame, a front wheel mounting shaft is arranged at the bottom of the rear part of the outer gantry, the two front wheels are symmetrically mounted at two ends of the front wheel mounting shaft, so that the two front wheels are symmetrically positioned outside two sides of the bottom of the rear part of the outer gantry, two sides of the middle part of the rear part of the outer gantry are connected with a rotating central shaft, the tops of the front ends of two side plates of the frame are connected with the rotating central shaft, an oil cylinder connecting seat is arranged on the front wheel mounting shaft, the inclined oil cylinder is horizontally mounted on the bottom of the frame, and an oil cylinder rod of the inclined oil cylinder is connected with the oil cylinder connecting seat; when an oil cylinder rod of the inclined oil cylinder retracts, the two front wheels move backwards, the portal frame assembly tilts forwards, and the wheel base is reduced; when the oil cylinder rod of the inclined oil cylinder extends out, the two front wheels move forwards, the portal assembly tilts backwards, and the wheel base is enlarged. The two front wheels are arranged at the bottom end of the outer door frame, the outer door frame is connected with the top parts of the front ends of the two side plates of the frame through the rotating central shaft, and the oil cylinder rod of the inclined oil cylinder is connected with the front wheel mounting shaft through the oil cylinder connecting seat, so that the door frame assembly can tilt forwards or backwards when the oil cylinder rod of the inclined oil cylinder moves, and the wheelbase is changed due to the operating state.
The forward tilting angle of the portal assembly is 3 degrees at most, and the wheelbase is the minimum at the moment, so that the forklift can work in narrow spaces such as the interior of an elevator; the maximum backward angle of the portal assembly is 5 degrees, and the wheelbase is the largest at the moment, so that the stability of the forklift is optimal.
Compared with the prior art, the utility model has the advantages of:
the cooperation of the hook part of the hook and the groove on the support piece is utilized to realize the hanging type assembly of the balance weight, and the balance weight and the frame are large-scale overweight parts, so the cooperation of the hook part and the groove enables stress points to be completely concentrated on the surface of the groove, the condition of the stress of the bolts in the traditional multi-bolt fixing mode is changed, the shearing force applied to the bolts is reduced, the assembly of the balance weight is simpler and more convenient and firmer, and the simplicity of the assembly and the maintenance of the forklift is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the forklift structure of the present invention;
fig. 2 is an exploded schematic view of the forklift structure of the present invention;
fig. 3 is a schematic structural view of a counterweight in the forklift structure of the present invention;
fig. 4 is a schematic view of the forklift structure of the present invention when the wheelbase is minimum;
fig. 5 is a schematic view of the forklift structure of the present invention when the wheelbase is the maximum.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The first embodiment is as follows:
the small-tonnage forklift structure provided by the embodiment comprises a counterweight 1, a frame 2, a portal assembly 3, two front wheels 4 and an inclined oil cylinder 5, wherein the portal assembly 3 comprises an outer portal 31, an inner portal 32 and a fork carriage 33, support members 11 are symmetrically arranged on the left and right of the lower part of the inner side of the counterweight 1, a groove 12 is formed in the support members 11 from bottom to top, hooks 21 are symmetrically arranged at the tail parts of the inner sides of two side plates of the frame 2, each hook 21 comprises a horizontal main body 22 and a hook part 23 arranged at the rear end of the top of the horizontal main body 22, the hook parts 23 are matched with the grooves 12, the counterweight 1 is hung and connected to the tail part of the frame 2 after the hook parts 23 are embedded into the corresponding grooves 12, a fixing seat 13 is arranged at the upper part of the inner side of the counterweight 1, the fixing seat 13 is arranged at the middle position of the upper part of the inner side of the counterweight 1, a fixing plate 24 corresponding to the fixing seat 13 is arranged at the tail of the frame 2, namely, the fixing plate 24 is arranged at the middle position above the tail of the frame 2, a through hole 25 is arranged on the fixing plate 24, and a bolt penetrates through the through hole 25 and is screwed with the threaded hole 14 to realize the fixation of the counterweight 1 and the tail of the frame 2.
In this embodiment, the groove 12 is a 45-degree inclined groove, and the hook 23 is a 45-degree inclined block matched with the groove 12. Design slot 12 for 45 degrees chutes, and collude portion 23 and be 45 degrees sloping blocks, collude portion 23 and laminate mutually for two inclined planes behind the slot 12 like this for the stress point is all concentrated on the inclined plane of slot 12, makes counter weight 1 assemble more firmly.
In this embodiment, the inner side of the wide opening end of the groove 12 is integrally provided with a horizontal abutting portion 15, the hook portion 23 is embedded into the corresponding groove 12, the horizontal abutting portion 15 abuts against the top of the horizontal main body 22, and the free end of the horizontal abutting portion 15 just abuts against the connection between the horizontal main body 22 and the hook portion 23. The addition of the horizontal abutting part 15 enables the counterweight 1 to be more stable after being hung on the tail part of the frame 2.
Example two:
the structure of the small-tonnage forklift truck provided by this embodiment is basically the same as the forklift truck of the first embodiment, and the difference is only in the number of the fixed seats 13 and the fixed plates 24 and the positions of the fixed seats, that is, in this embodiment, the fixed seats 13 are two, the two fixed seats 13 are symmetrically arranged on the left and right sides of the upper part of the inner side of the counterweight 1 (see fig. 3), the fixed plates are two, and the two fixed plates are symmetrically arranged on the left and right sides of the tail part of the truck frame 2 (not shown in the figure). The hanging of the balance weight 1 is realized under the matching of the hook part 23 and the groove 12, and the balance weight 1 and the frame 2 are completely fixed by combining the fixed seat 13 and the fixed plate.
Example three:
the small-tonnage forklift structure provided by the embodiment is further improved on the forklift structure of the first embodiment or the second embodiment, and referring to fig. 1, fig. 2, fig. 4 and fig. 5, that is: a front wheel mounting shaft 61 is arranged at the bottom of the rear part of the outer door frame 31, two front wheels 4 are symmetrically mounted at two ends of the front wheel mounting shaft 61, so that the two front wheels 4 are symmetrically positioned outside two sides of the bottom of the rear part of the outer door frame 31, two sides of the middle part of the rear part of the outer door frame 31 are connected with a rotating central shaft 62, the tops of the front ends of two side plates of the frame 2 are connected with the rotating central shaft 62, an oil cylinder connecting seat 63 is arranged on the front wheel mounting shaft 61, the tilt oil cylinder 5 is horizontally mounted on the bottom of the frame 2, and an oil cylinder rod of the tilt; when an oil cylinder rod of the inclined oil cylinder 5 retracts, the two front wheels 4 move backwards, the portal frame assembly 3 tilts forwards, and the axle distance is reduced; when the oil cylinder rod of the inclined oil cylinder 5 extends out, the two front wheels 4 move forwards, the portal frame assembly 3 tilts backwards, and the wheel base is enlarged. By installing the two front wheels 4 at the bottom end of the outer gantry 31 and connecting the outer gantry 31 with the top of the front ends of the two side plates of the frame 2 by using a rotating central shaft 62, the oil cylinder rod of the tilt oil cylinder 5 is connected with the front wheel installation shaft 61 through the oil cylinder connecting seat 63, so that the gantry assembly 3 can tilt forward or backward when the oil cylinder rod of the tilt oil cylinder 5 acts, and the axle distance is changed due to the operating state.
In the embodiment, the angle of forward inclination of the gantry assembly 3 is at most 3 degrees (see fig. 4), and the wheelbase is the smallest at the moment, so that the forklift can work in narrow spaces such as the interior of an elevator; the angle of the mast assembly 3 in the backward direction is 5 degrees at the maximum (see fig. 5), and the wheelbase is at the maximum at this time, so that the stability of the forklift is optimal.
Claims (7)
1. The utility model provides a light-tonnage fork truck structure, includes counter weight and frame, its characterized in that: the lower part of the inner side of the balance weight is symmetrically provided with a supporting piece which is provided with a groove from bottom to top, the inner side tails of the two side plates of the frame are symmetrically provided with a hook, the hook comprises a horizontal main body and a hook part arranged on the rear end of the top of the horizontal main body, the hook part is matched with the groove, the counterweight is hung on the tail part of the frame after the hook part is embedded into the corresponding groove, at least one fixed seat is arranged at the upper part of the inner side of the balance weight, a threaded hole is arranged on the fixed seat, the tail part of the frame is provided with fixing plates which have the same number as the fixing seats and the positions corresponding to the fixing seats, the fixing plate is provided with a through hole, and a bolt penetrates through the through hole to be in threaded connection with the threaded hole to realize the fixation of the balance weight and the tail part of the frame.
2. The structure of claim 1, wherein: the groove is a 45-degree chute, and the hook part is a 45-degree inclined block matched with the groove.
3. The structure of a small tonnage forklift truck as set forth in claim 2, wherein: the inner side of the wide opening end of the groove is integrally provided with a horizontal abutting part, the hook part is embedded into the groove correspondingly, then the horizontal abutting part abuts against the top of the horizontal main body, and the free end of the horizontal abutting part just abuts against the joint of the horizontal main body and the hook part.
4. A small tonnage forklift structure as set forth in any of claims 1-3, wherein: the fixing seat is arranged in the middle of the upper part of the inner side of the balance weight, the fixing plate is one, and the fixing plate is arranged in the middle above the tail of the frame.
5. A small tonnage forklift structure as set forth in any of claims 1-3, wherein: the fixing seats are two, the two fixing seats are symmetrically arranged on the left side and the right side of the upper portion of the inner side of the balance weight, the number of the fixing plates is two, and the two fixing plates are symmetrically arranged on the left side and the right side of the tail portion of the frame.
6. A small tonnage forklift structure as set forth in any of claims 1-3, wherein: the small-tonnage forklift structure further comprises a gantry assembly, two front wheels and an inclined oil cylinder, wherein the gantry assembly consists of an outer gantry, an inner gantry and a fork frame, a front wheel mounting shaft is arranged at the bottom of the rear part of the outer gantry, the two front wheels are symmetrically mounted at two ends of the front wheel mounting shaft, so that the two front wheels are symmetrically positioned outside two sides of the bottom of the rear part of the outer gantry, two sides of the middle part of the rear part of the outer gantry are connected with a rotating central shaft, the tops of the front ends of two side plates of the frame are connected with the rotating central shaft, an oil cylinder connecting seat is arranged on the front wheel mounting shaft, the inclined oil cylinder is horizontally mounted on the bottom of the frame, and an oil cylinder rod of the inclined oil cylinder is connected with the oil cylinder connecting seat; when an oil cylinder rod of the inclined oil cylinder retracts, the two front wheels move backwards, the portal frame assembly tilts forwards, and the wheel base is reduced; when the oil cylinder rod of the inclined oil cylinder extends out, the two front wheels move forwards, the portal assembly tilts backwards, and the wheel base is enlarged.
7. The structure of claim 6, wherein: the forward inclination angle of the portal assembly is 3 degrees at most, and the wheelbase is the minimum at the moment; the maximum backward angle of the portal assembly is 5 degrees, and the wheel base is the largest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920500776.8U CN210340231U (en) | 2019-04-15 | 2019-04-15 | Small-tonnage forklift structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920500776.8U CN210340231U (en) | 2019-04-15 | 2019-04-15 | Small-tonnage forklift structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210340231U true CN210340231U (en) | 2020-04-17 |
Family
ID=70179894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920500776.8U Expired - Fee Related CN210340231U (en) | 2019-04-15 | 2019-04-15 | Small-tonnage forklift structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210340231U (en) |
-
2019
- 2019-04-15 CN CN201920500776.8U patent/CN210340231U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 |
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| CF01 | Termination of patent right due to non-payment of annual fee |