Assembling, disassembling and self-tightening integrated chain structure for TRD

Abstract

The utility model discloses an assembling, disassembling and self-tightening integrated chain structure for TRD, which comprises a main body assembly, a pin shaft, a chain sheet, a mounting piece and a positioning ring, the chain sheet slides on the surface of the pin shaft, the mounting piece is positioned in the chain sheet, the positioning ring is arranged on the surface of the pin shaft, a plurality of positioning through holes are formed in the surface of the pin shaft, and the positioning through holes are communicated with the pin shaft. A notch matched with the positioning through hole is formed in the surface of the positioning ring; and the connecting assembly is arranged on the surface of the pin shaft and comprises a connecting piece, a positioning block, a first sliding block, a second sliding block and an inserting rod, and the connecting piece is rotationally connected to the surface of the pin shaft. The chain has the advantages that the length of the chain can be conveniently adjusted through the installation part, the chain is prevented from loosening, the chain can be conveniently disassembled and assembled through the connection assembly, and the situation that the chain is difficult to disassemble due to structural stress in the soil cutting process is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to chain technology field especially a TRD is with assembling, dismounting, self -tightening integrated chain structure. BACKGROUND

[0002] In the field of civil engineering, especially in the construction of underground continuous wall (such as TRD method, that is, equal-thickness cement-soil mixing wall method), chain structure as the core transmission component, its performance directly affects the construction efficiency, equipment stability and service life, in the traditional TRD construction equipment, after the splicing of each section of cutting box, chain structure is usually connected separately through link plate.

[0003] After the splicing of each section of traditional cutting box, chain structure needs to be connected separately through link plate, and the structure is stressed during the chain soil cutting process, which leads to dismounting difficulty, and the length of chain is fixed, and multiple splicing may cause chain relaxation phenomenon, weakening the soil cutting efficiency. UTILITY MODEL CONTENT

[0004] The utility model wants to solve the problem of the existing chain dismounting difficulty and length adjustment difficulty.

[0005] Technical scheme: the utility model discloses a TRD is with assembling, dismounting, self -tightening integrated chain structure, it includes, main part assembly, including pin shaft, chain piece, mounting and positioning ring, the chain piece slides on the pin shaft surface, the mounting is located in the chain piece, the positioning ring is arranged on the pin shaft surface, the pin shaft surface is provided with a plurality of positioning through -hole, the positioning ring surface is provided with the notched mouth for and the positioning through -hole cooperation;

[0006] Connecting assembly is arranged on the pin shaft surface and includes connecting sheet, positioning block, first sliding block, second sliding block and plug rod, the connecting sheet is rotatably connected to the pin shaft surface, the positioning block slides in the connecting sheet, the first sliding block and the second sliding block are respectively fixed to the both sides of the positioning block, the first sliding block and the second sliding block slide in the connecting sheet, and the plug rod is inserted into the connecting sheet and the positioning block.

[0007] Further, the inner wall of the plug rod is fixed with a spring, and the surface of the plug rod is provided with a circular groove and a groove.

[0008] Further, one side of the connecting sheet is provided with a fixed plate, and the fixed plate is fixed to one side of the connecting sheet through a fixed bolt.

[0009] Further, the mounting includes a support shaft and a rotating block, the support shaft is fixed in the chain piece, and the rotating block is rotatably connected to the surface of the support shaft.

[0010] Further, the mounting member further comprises a connecting block and an extruding block, the connecting block is fixed on one side of the rotating block, and the extruding block is fixed on one side of the connecting block.

[0011] Further, the mounting member further comprises a mounting bolt, the mounting bolt is threadedly and rotatably connected in the connecting block, and the end of the mounting bolt is threadedly and rotatably connected in the chain piece.

[0012] Further, the end of the pin shaft is provided with a positioning ball, the end of the positioning ball is provided with a threaded column, and the positioning ball is threadedly and rotatably connected with the pin shaft through the threaded column.

[0013] Beneficial effects: compared with the prior art, the significant advantages of the utility model are that: the structure is convenient for adjusting the length of the chain through the mounting member, prevents the chain from being loose, and is convenient for disassembling and assembling the chains through the connecting assembly, and the chain is not difficult to disassemble due to the stress of the structure in the process of cutting soil. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure diagram of the TRD integrated chain structure of assembling, disassembling and self-tightening.

[0015] Figure 2 It is a connecting piece and positioning block connecting structure diagram of the TRD integrated chain structure of assembling, disassembling and self-tightening.

[0016] Figure 3 It is a chain piece and connecting block connecting structure diagram of the TRD integrated chain structure of assembling, disassembling and self-tightening.

[0017] Figure 4 It is a connecting block sectional structure diagram of the TRD integrated chain structure of assembling, disassembling and self-tightening.

[0018] Figure 5 It is a chain piece and positioning ring connecting structure diagram of the TRD integrated chain structure of assembling, disassembling and self-tightening.

[0019] Figure 6 It is a connecting piece sectional structure diagram of the TRD integrated chain structure of assembling, disassembling and self-tightening.

[0020] Figure 7 It is a connecting piece sectional structure diagram of the TRD integrated chain structure of assembling, disassembling and self-tightening. Figure 6 It is an enlarged view of the local structure at A in the middle. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model will be further explained in detail in combination with the drawings.

[0022] Secondly, the "one embodiment" or "embodiment" referred to herein means a specific feature, structure, or characteristic that is included in at least one implementation of the present application. The "in one embodiment" appearing in various places in the specification does not all refer to the same embodiment, nor does it necessarily refer to a single or alternative embodiment.

[0023] Embodiment 1

[0024] With reference to Figures 1-7 For the first embodiment of the present application, the embodiment provides a TRD assembling, disassembling and self-tightening integrated chain structure, which comprises a main body assembly 100, a pin shaft 101, a chain piece 102, a mounting piece 103 and a positioning ring 104. The chain piece 102 slides on the surface of the pin shaft 101, the mounting piece 103 is located in the chain piece 102, and the positioning ring 104 is arranged on the surface of the pin shaft 101. A plurality of positioning through holes U are formed on the surface of the pin shaft 101, and a notch is formed on the surface of the positioning ring 104 for cooperation with the positioning through hole U.

[0025] The pin shaft 101 is used for connecting and supporting a plurality of chain pieces 102, and has a certain wear resistance, so as to bear the shear force and friction force in the running process of the chain piece 102. The mounting piece 103 is used for mounting the chain piece 102 on the pin shaft 101. The mounting piece 103 is arranged to facilitate disassembly and assembly of the chain piece 102. The positioning ring 104 is used for positioning the chain piece 102 to prevent the chain piece 102 from deviating. A pin can be inserted into the positioning through hole U, and the pin penetrates through the positioning ring 104, so as to fix the positioning ring 104 on the surface of the pin shaft 101, thereby limiting the chain piece 102.

[0026] The connecting assembly 200 is arranged on the surface of the pin shaft 101 and comprises a connecting piece 201a, a positioning block 201b, a first sliding block 201c, a second sliding block 201d and a plug rod 201e. The connecting piece 201a is rotationally connected to the surface of the pin shaft 101. The positioning block 201b slides in the connecting piece 201a. The first sliding block 201c and the second sliding block 201d are respectively fixed on both sides of the positioning block 201b. The first sliding block 201c and the second sliding block 201d slide in the connecting piece 201a. The plug rod 201e is inserted into the connecting piece 201a and the positioning block 201b.

[0027] The connecting piece 201a is used for connecting two pin shafts 101. The positioning block 201b is used for extruding and positioning the pin shaft 101. The first sliding block 201c and the second sliding block 201d are used for limiting the positioning block 201b, so that the positioning block 201b does not deviate in the connecting piece 201a. The plug rod 201e is used for fixing the positioning block 201b in the connecting piece 201a.

[0028] Specifically, the spring 201f is fixed on the inner wall of the insertion rod 201e, and a circular groove V and a groove W are formed on the surface of the insertion rod 201e.

[0029] The spring 201f is in a compressed state, and the spring 201f is arranged to facilitate the removal of the insertion rod 201e from the connecting plate 201a. The circular groove V is arranged to facilitate the pulling of the insertion rod 201e by the staff, so as to pull out the insertion rod 201e. When the spring 201f cannot push the insertion rod 201e, a tool can be inserted into the groove W, so as to pull out the insertion rod 201e.

[0030] Specifically, the connecting plate 201a is provided with a fixed plate 201g on one side, and the fixed plate 201g is fixed on one side of the connecting plate 201a through a fixed bolt 201h.

[0031] The fixed plate 201g can extrude the insertion rod 201e, so as to completely press the insertion rod 201e into the connecting plate 201a, and the arrangement of the fixed plate 201g makes the two connecting plates 201a work more stably.

[0032] Embodiment 2

[0033] Referring to Figures 1-7 For the second embodiment of the utility model, the embodiment is based on the previous embodiment.

[0034] Specifically, the mounting piece 103 comprises a supporting shaft 103a and a rotating block 103b, the supporting shaft 103a is fixed in the chain sheet 102, and the rotating block 103b is rotatably connected to the surface of the supporting shaft 103a.

[0035] The supporting shaft 103a is used for supporting the rotating block 103b, so that the rotating block 103b can rotate on the surface of the supporting shaft 103a.

[0036] Specifically, the mounting piece 103 further comprises a connecting block 103c and an extrusion block 103d, the connecting block 103c is fixed on one side of the rotating block 103b, and the extrusion block 103d is fixed on one side of the connecting block 103c.

[0037] The connecting block 103c is used to drive the extrusion block 103d to move, so that the extrusion block 103d can extrude the pin shaft 101, so as to position the pin shaft 101 in the chain sheet 102, and the chain sheet 102 and the pin shaft 101 will not shake.

[0038] Specifically, the mounting piece 103 further comprises a mounting bolt 103e, the mounting bolt 103e is rotatably connected in the connecting block 103c through threads, and the end of the mounting bolt 103e is rotatably connected in the chain sheet 102 through threads.

[0039] The installation bolt 103e is arranged to fix the connecting block 103c and the chain plate 102 together, so as to prevent the pin shaft 101 and the chain plate 102 from being separated.

[0040] Specifically, the end of the pin shaft 101 is provided with a positioning ball 105, the end of the positioning ball 105 is provided with a threaded column, and the positioning ball 105 is threadedly connected with the pin shaft 101.

[0041] In use, a limiting plate is arranged on both sides of the positioning ball 105, so that the limiting plate can limit the position of the chain through the positioning ball 105, and prevent the chain from shaking in the working process.

[0042] In use, when the length of the chain needs to be adjusted, the installation bolt 103e is rotated to release the fixation of the connecting block 103c, at this time, the connecting block 103c is rotated to drive the extrusion block 103d away from the pin shaft 101, so that the pin shaft 101 slides out of the connecting plate 201a, at this time, the connecting plate 201a and the pin shaft 101 at the other end thereof are removed, so as to shorten the length of the chain.

[0043] When two chain sections need to be disassembled, the fixing bolt 201h is rotated to disassemble the fixing plate 201g, the insertion rod 201e loses the extrusion of the fixing plate 201g, and under the elastic force of the spring 201f, the end of the insertion rod 201e is popped out of the connecting plate 201a, at this time, the insertion rod 201e is pulled out of the connecting plate 201a through the circular groove V, so as to release the limitation of the positioning block 201b, at this time, the positioning block 201b is pulled out of the connecting plate 201a, so as to release the connection between the two chain sections.

Claims

1. A TRD assembly, disassembly, and self-tightening integrated chain structure, characterized by: include, A main body component (100) includes a pin shaft (101), a chain plate (102), a mounting member (103) and a positioning ring (104), wherein the chain plate (102) slides on the surface of the pin shaft (101), the mounting member (103) is located in the chain plate (102), the positioning ring (104) is arranged on the surface of the pin shaft (101), a plurality of positioning through holes (U) are opened on the surface of the pin shaft (101), and a notch for matching with the positioning through holes (U) is opened on the surface of the positioning ring (104); A connecting assembly (200) is arranged on the surface of the pin shaft (101), and comprises a connecting piece (201a), a positioning block (201b), a first slider (201c), a second slider (201d) and an insertion rod (201e); the connecting piece (201a) is rotatably connected to the surface of the pin shaft (101); the positioning block (201b) slides in the connecting piece (201a); the first slider (201c) and the second slider (201d) are respectively fixed on both sides of the positioning block (201b); the first slider (201c) and the second slider (201d) slide in the connecting piece (201a); and the insertion rod (201e) is inserted into the connecting piece (201a) and the positioning block (201b).

2. The TRD assembly, disassembly, and self-tightening integrated chain structure according to claim 1, characterized in that: A spring (201f) is fixed on the inner wall of the insertion rod (201e), and a circular groove (V) and a groove (W) are provided on the surface of the insertion rod (201e).

3. The TRD assembly, disassembly, and self-tightening integrated chain structure according to claim 2, characterized in that: A fixing plate (201g) is provided on one side of the connecting piece (201a), and the fixing plate (201g) is fixed to one side of the connecting piece (201a) via fixing bolts (201h).

4. The TRD assembly, disassembly, and self-tightening integrated chain structure according to claim 3, characterized in that: The mounting member (103) comprises a supporting shaft (103a) and a rotating block (103b), wherein the supporting shaft (103a) is fixed in the chain plate (102), and the rotating block (103b) is rotatably connected to the surface of the supporting shaft (103a).

5. The TRD assembly, disassembly, and self-tightening integrated chain structure according to claim 4, characterized in that: The mounting member (103) further comprises a connecting block (103c) and an extrusion block (103d), wherein the connecting block (103c) is fixed to one side of the rotating block (103b), and the extrusion block (103d) is fixed to one side of the connecting block (103c).

6. The TRD assembly, disassembly, and self-tightening integrated chain structure according to claim 5, characterized in that: The mounting member (103) further comprises a mounting bolt (103e), wherein the mounting bolt (103e) is connected to the connecting block (103c) by means of a threaded rotation, and an end portion of the mounting bolt (103e) is connected to the chain plate (102) by means of a threaded rotation.

7. The TRD assembly, disassembly, and self-tightening integrated chain structure according to claim 5 or 6, characterized in that: The end of the pin shaft (101) is provided with a positioning ball (105), and the end of the positioning ball (105) is provided with a threaded column. The positioning ball (105) is connected to the pin shaft (101) by threaded rotation via the threaded column.

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