Lower cross beam assembly of inner gantry of forklift

Abstract

The utility model discloses a forklift inner portal frame lower cross beam assembly which comprises an inner portal frame assembly and a connecting assembly, the inner portal frame assembly comprises two vertically-arranged supporting columns, a cross beam body vertically arranged at the lower ends of the inner sides of the two supporting columns and an installation base installed in the middle of the upper end of the cross beam body, and dovetail grooves are formed in the lower ends of the inner walls of the two supporting columns. A placing groove is formed in the middle of the upper end of the mounting base, and the connecting assembly comprises mounting plates fixed to the two ends of the cross beam body, dovetail plates fixed to the middles of the outer walls of the mounting plates and connecting bolts arranged on the inner walls of the mounting plates. According to the lower cross beam assembly of the inner portal of the forklift, the cross beam body is vertically placed on the inner sides of the two supporting columns under the action of the dovetail plates and the dovetail grooves and fixedly installed on the inner sides of the two supporting columns under the action of the connecting bolts and the installing plates; the lower cross beam assembly has the advantages of being convenient to disassemble and assemble and capable of being quickly disassembled, assembled and replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fork truck portal, concretely to a fork truck inner portal lower crossbeam assembly. BACKGROUND

[0002] The fork truck is an industrial transfer vehicle, and is generally used for short-distance transportation of large or heavy objects. The fork truck portal is the main load-bearing structure of the object taking device of the fork truck. The mechanism for lifting the goods is also called the portal, which is composed of an inner portal, an outer portal, a fork frame, a fork, a chain wheel, a chain, a lifting cylinder and an inclination cylinder.

[0003] The existing fork truck inner portal lower crossbeam assembly is mostly welded, and when the inner portal lower crossbeam assembly is deformed or damaged, it is inconvenient to quickly disassemble and replace it, which consumes a certain amount of time and affects the subsequent use of the fork truck. Therefore, we propose a fork truck inner portal lower crossbeam assembly. SUMMARY

[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above and / or existing problems in the fork truck inner portal lower crossbeam assembly, the utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a fork truck inner portal lower crossbeam assembly. The crossbeam body is vertically placed on the inner side of the two struts under the action of the dovetail plate and the dovetail groove, and is fixedly installed on the inner side of the two struts under the action of the connecting bolt and the mounting plate. Compared with the existing welded lower crossbeam assembly, the lower crossbeam assembly has the advantages of convenient disassembly and quick disassembly and replacement of the lower crossbeam assembly.

[0007] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0008] A fork truck inner portal lower crossbeam assembly comprises:

[0009] The inner portal assembly comprises two vertical struts, a crossbeam body vertically arranged on the inner side of the two struts, and a mounting seat mounted on the middle of the upper end of the crossbeam body. The inner wall of the two struts is provided with a dovetail groove at the lower end, and the mounting seat is provided with a placing groove at the middle of the upper end.

[0010] The connecting assembly comprises mounting plates fixed at both ends of the beam body, dovetail plates fixed at the middle part of the outer wall of the mounting plates, and connecting bolts arranged in the inner wall of the mounting plates, the outer wall of the mounting plate is attached to the inner wall of the support, the dovetail plate is arranged in the dovetail groove of the support, and the connecting bolt penetrates the mounting plate into the support.

[0011] As a preferred scheme of the lower cross beam assembly of the inner mast of the forklift truck, the upper and lower ends of the beam body are fixed with reinforcing ribs on the outer sides.

[0012] As a preferred scheme of the lower cross beam assembly of the inner mast of the forklift truck, a threaded hole is formed in the middle part of the upper end of the beam body, and a threaded column is fixed in the middle part of the lower end of the mounting seat and is threadedly connected with the threaded hole.

[0013] As a preferred scheme of the lower cross beam assembly of the inner mast of the forklift truck, a handle is fixed on the outer wall of the mounting seat.

[0014] As a preferred scheme of the lower cross beam assembly of the inner mast of the forklift truck, hand holding grooves are formed in the upper and lower ends of the handle, and a plurality of hand holding grooves are uniformly arranged.

[0015] As a preferred scheme of the lower cross beam assembly of the inner mast of the forklift truck, a protective pad is arranged on the inner wall of the mounting seat, and the protective pad is made of rubber.

[0016] Compared with the prior art, the lower cross beam assembly of the inner mast of the forklift truck has the advantages that the beam body is vertically placed on the inner sides of the two supports under the action of the dovetail plates and the dovetail grooves, and is fixedly installed on the inner sides of the two supports under the action of the connecting bolts and the mounting plates, and compared with the existing welded lower cross beam assembly, the lower cross beam assembly has the advantages of convenient disassembly and assembly and quick disassembly and replacement. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0018] Fig. 1 It is a perspective view of the lower cross beam assembly of the inner mast of the forklift truck.

[0019] Fig. 2The utility model provides a fork truck inner door frame lower crossbeam assembly part three-dimensional structure schematic diagram;

[0020] Fig. 3 The utility model provides a fork truck inner door frame lower crossbeam assembly part three-dimensional structure schematic diagram;

[0021] In the drawing: 100, inner door frame assembly;110, support post;120, crossbeam main body;121, screw hole;122, reinforcing rib;130, mounting seat;131, threaded column;132, handle;133, hand holding groove;134, protective pad;200, connecting assembly;210, mounting plate;220, dovetail plate;230, connecting bolt. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is described in detail below with the drawings.

[0023] Secondly, the utility model is described in detail in combination with the schematic diagram, and when the embodiment of the utility model is described in detail, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model herein. In addition, the three-dimensional space size of length, width and depth should be contained in actual manufacture.

[0024] In order to make the purpose, technical scheme and advantage of the utility model more clear, the embodiment of the utility model will be described in further detail below in combination with the drawings.

[0025] The utility model provides a fork truck inner door frame lower crossbeam assembly, and the crossbeam main body is placed vertically on the inner side of two support posts under the action of dovetail plate and dovetail groove and is fixedly installed on the inner side of two support posts under the action of connecting bolt and mounting plate, compared with the existing welded lower crossbeam assembly, the lower crossbeam assembly has the advantages that the lower crossbeam assembly can be disassembled and replaced quickly.

[0026] Figs. 1-3 The structure schematic diagram of one embodiment of the utility model fork truck inner door frame lower crossbeam assembly is shown, please refer to Figs. 1-3 The utility model fork truck inner door frame lower crossbeam assembly includes inner door frame assembly 100 and connecting assembly 200.

[0027] The inner door frame assembly 100 comprises two vertical supports 110, a beam body 120 vertically arranged at the lower end of the inner side of the two supports 110, and a mounting seat 130 mounted at the middle of the upper end of the beam body 120. The inner wall of the two supports 110 is provided with a dovetail groove at the lower end, and the upper middle part of the mounting seat 130 is provided with a placing groove. As a preferred embodiment, the outer side of the upper and lower ends of the beam body 120 is fixed with a reinforcing rib 122. The reinforcing rib 122 fixed on the upper and lower sides of the beam body 120 enhances the strength of the beam body 120, effectively prolongs the service life of the beam body 120, and the upper middle part of the beam body 120 is provided with a threaded hole 121. The lower middle part of the mounting seat 130 is fixed with a threaded column 131, which is screwed with the threaded hole 121. The mounting seat 130 is screwed on the upper end of the beam body 120 under the action of the threaded column 131 and the threaded hole 121. In the later stage, the mounting seat 130 is disassembled and replaced by rotating it. The opposite outer wall of the mounting seat 130 is fixed with a handle 132 on the upper side. The handle 132 provided on the opposite outer wall of the mounting seat 130 facilitates the operator to rotate the mounting seat 130 by the handle 132, so as to quickly disassemble and assemble the mounting seat 130. The upper and lower ends of the handle 132 are provided with a hand holding groove 133. The hand holding groove 133 is uniformly provided with a plurality of hand holding grooves 133, which increases the friction between the operator's hand and the handle 132, and ensures the stable holding of the operator's hand and the handle 132. The inner wall of the mounting seat 130 is provided with a protective pad 134. The material of the protective pad 134 is rubber. The protective pad 134 provided on the inner wall of the mounting seat 130 protects the inner wall of the mounting seat 130 and the outer wall of the oil cylinder, preventing the oil cylinder from directly contacting the inner wall of the mounting seat 130 and causing wear, effectively prolonging its service life.

[0028] The connecting assembly 200 comprises a mounting plate 210 fixed at the both ends of the beam body 120, a dovetail plate 220 fixed at the middle part of the outer wall of the mounting plate 210, and a connecting bolt 230 provided in the inner wall of the mounting plate 210. The outer wall of the mounting plate 210 is attached to the inner wall of the support 110. The dovetail plate 220 is arranged in the dovetail groove of the support 110. The connecting bolt 230 penetrates the mounting plate 210 to the support 110.

[0029] In combination Figs. 1-3The fork truck inner door frame lower cross beam assembly of the embodiment is used as follows: the cross beam body 120 is vertically placed on the inner side of the two struts 110 under the action of the dovetail plate 220 and the dovetail groove, and is fixedly installed on the inner side of the two struts 110 under the action of the connecting bolt 230 and the mounting plate 210. Compared with the existing welded lower cross beam assembly, the lower cross beam assembly has the advantages of convenient disassembly and assembly and quick disassembly and replacement of the lower cross beam assembly. The reinforcing ribs 122 fixed on the upper and lower sides of the cross beam body 120 enhance the strength of the cross beam body 120, effectively prolong the service life of the cross beam body 120, and the mounting seat 130 is screw-installed on the upper end of the cross beam body 120 under the action of the threaded column 131 and the threaded hole 121, which is convenient for disassembly and replacement of the mounting seat 130 in the later period.

[0030] Although the present application has been described with reference to the embodiments above, various improvements can be made and equivalent parts can be substituted without departing from the scope of the present application. In particular, each feature disclosed in the embodiments of the present application can be used in any combination with each other, provided that there is no structural conflict. The combinations of these features are not exhaustively described in the specification only for the purpose of saving space and resources. Therefore, the present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A fork truck inner mast lower cross member assembly characterized by, Include: The inner door frame assembly (100) comprises two vertical supports (110), a horizontal beam body (120) vertically arranged at the lower end of the inner side of the two supports (110), and a mounting seat (130) mounted on the upper middle part of the horizontal beam body (120). The inner wall of the two supports (110) is provided with a dovetail groove at the lower end, and the upper middle part of the mounting seat (130) is provided with a placing groove. The connecting assembly (200) comprises a mounting plate (210) fixed at both ends of the horizontal beam body (120), a dovetail plate (220) fixed on the outer wall of the mounting plate (210), and a connecting bolt (230) arranged on the inner wall of the mounting plate (210). The outer wall of the mounting plate (210) is attached to the inner wall of the support (110), the dovetail plate (220) is arranged in the dovetail groove of the support (110), and the connecting bolt (230) penetrates the mounting plate (210) into the support (110).

2. The fork truck inner mast lower beam assembly of claim 1, wherein, The upper and lower ends of the horizontal beam body (120) are fixed with reinforcing ribs (122) on the outer side.

3. The fork truck inner mast lower beam assembly of claim 1 wherein, The upper middle part of the horizontal beam body (120) is provided with a threaded hole (121), and the lower middle part of the mounting seat (130) is fixed with a threaded column (131), which is screwed with the threaded hole (121).

4. The fork truck inner mast lower beam assembly of claim 1 wherein, The opposite outer wall of the mounting seat (130) is fixed with a handle (132) on the upper side.

5. The fork truck inner mast lower beam assembly of claim 4 wherein, The upper and lower ends of the handle (132) are provided with hand holding grooves (133), and the hand holding grooves (133) are uniformly provided with a plurality of hand holding grooves (133).

6. The fork truck inner mast lower beam assembly of claim 1 wherein, The inner wall of the mounting seat (130) is provided with a protective pad (134), and the material of the protective pad (134) is rubber.

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