Folding arm support with triangular connecting rod on arm

Abstract

The utility model discloses a folding arm support with a triangular connecting rod on an arm, which relates to the technical field of mining, and comprises a rotating unit, a first adjusting unit arranged above the rotating unit, and a second adjusting unit arranged at the side part of the first adjusting unit, the first adjusting unit comprises a U-shaped base installed on the top of the rotating unit, a first-stage arm movably installed in the U-shaped base and a first adjusting piece arranged between the U-shaped base and the first-stage arm. According to the folding arm support with the triangular connecting rod, the first adjusting unit and the second adjusting unit are arranged, so that the situation that shaking is prone to occurring due to the fact that connection is achieved only through a hydraulic oil rod is avoided, and operation precision and efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mining technology field especially relates to a folding arm support of arm belt triangle connecting rod. BACKGROUND

[0002] Mining is the process of extracting ore from the ore body in the underground deposit, which is realized through four steps of deposit development, ore block preparation, cutting and stoping. Mining methods are various, and commonly used methods are classified into three categories of natural support mining method, artificial support mining method and caving mining method according to ground pressure management method.

[0003] Through the retrieval in the public (announcement) no. CN209760326U, a kind of mining exploitation is disclosed, a kind of telescopic excavator arm of front arm for slagging machine, including first support forearm, second support forearm and sliding block, the outside of first support forearm is hinged and fixed with first hydraulic oil rod, the outside of second support forearm is equipped with hydraulic oil cylinder, and the outside of hydraulic oil cylinder is fixed with second hydraulic oil rod, the outside of sliding block is welded with displacement pull block, and the lower side of displacement pull block is hinged with equipment box, the inside of equipment box is provided with connecting piece, and the outside of connecting piece is provided with connecting hole, the outside of equipment box is screwed with positioning bolt, and the outside of equipment box is fixed with rotating block, the outside of equipment box is fixedly installed with excavator. The telescopic excavator arm of front arm for slagging machine of the mining exploitation, displacement pull block and sliding block are used, rectangular movement of sliding block is driven by displacement pull block, the length of second support forearm is adjusted according to the demand of exploitation according to user.

[0004] The above scheme can adjust the length of the second support forearm according to the demand of exploitation according to the user by rectangular movement of the sliding block driven by the displacement pull block, but when it is in working condition, the arm support is long, and only the hydraulic oil rod is connected, which is easy to shake, affecting the operation accuracy and efficiency, therefore, we propose. UTILITY MODEL CONTENT

[0005] The main purpose of the utility model is to provide a folding arm support of arm belt triangle connecting rod, which solves the problem of shaking caused by only hydraulic oil rod connection by setting first adjusting unit and second adjusting unit, affecting operation accuracy and efficiency.

[0006] To achieve the above purpose, the utility model provides the following technical scheme.

[0007] A folding arm support of arm belt triangle connecting rod, comprising a rotating unit, a first adjusting unit arranged above the rotating unit, and a second adjusting unit arranged on the side of the first adjusting unit.

[0008] The first adjusting unit comprises a U-shaped seat installed on the top of the rotating unit, a first arm movably installed in the U-shaped seat, and a first adjusting member arranged between the U-shaped seat and the first arm.

[0009] The second adjusting unit comprises a triangular guard plate movably installed on the end of the first arm, a transmission member arranged in the triangular guard plate, and a second adjusting member arranged between the triangular guard plate and the transmission member.

[0010] Preferably, the rotating unit comprises a base, and a rotating shaft installed on the bottom of the base.

[0011] Preferably, the first adjusting member comprises a triangular connecting seat movably installed on the inner wall of the first arm, a first luffing oil cylinder movably installed in the first arm and having a telescopic end movably connected with the triangular connecting seat, and a first straight connecting rod having one end movably connected with the U-shaped seat and the other end movably connected with the triangular connecting seat.

[0012] Preferably, the transmission member comprises a second arm installed on the inner wall of the triangular guard plate, and a working connecting seat installed on the end of the second arm.

[0013] Preferably, the second adjusting member comprises an auxiliary connecting seat movably installed in the first arm, a triangular transmission plate installed on the side wall of the second arm, and a second luffing oil cylinder movably installed in the auxiliary connecting seat and having a telescopic end movably connected with the triangular transmission plate.

[0014] Preferably, the second adjusting unit further comprises a second straight connecting rod having one end movably connected with the auxiliary connecting seat and the other end movably connected with the triangular guard plate.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] In the utility model, when the arm support is stretched, the telescopic end of the first luffing oil cylinder is elongated, so that the first arm rotates counterclockwise around the U-shaped seat and is lifted, the telescopic end of the second luffing oil cylinder is elongated, the triangular guard plate is driven to rotate counterclockwise around the first arm through the triangular transmission plate and the transmission member, and the stretching is lifted, so that the stretching adjustment of the arm support is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is the front view structure schematic diagram of the utility model;

[0019] Figure 3 It is the right view structure schematic diagram of the utility model;

[0020] Figure 4 It is the utility model Figure 3 It is the section structure schematic diagram of A-A of the utility model;

[0021] Figure 5 It is the top view structure schematic diagram of the utility model.

[0022] In the drawing:

[0023] 1, rotating unit;101, base;102, rotating shaft;

[0024] 2, first adjusting unit;201, U-shaped seat;202, primary arm;203, first adjusting part;2031, first pitch oil cylinder;2032, triangular connecting seat;2033, first straight connecting rod;

[0025] 3, second adjusting unit;301, triangular guard plate;302, transmission part;3021, secondary arm;3022, working connecting seat;303, second adjusting part;3031, auxiliary connecting seat;3032, second pitch oil cylinder;3033, triangular transmission plate;304, second straight connecting rod. Specific implementation

[0026] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation modes. Example 1

[0027] As Figure 1 , Figure 2 , Figure 3 , Figure 4 And Figure 5 As shown in a folding arm support with arm belt triangular connecting rod, comprising a rotating unit 1, further comprising a first adjusting unit 2 arranged above the rotating unit 1, and a second adjusting unit 3 arranged on the side of the first adjusting unit 2;

[0028] As Figure 1 And Figure 5 As shown in a folding arm support with arm belt triangular connecting rod, comprising a rotating unit 1, further comprising a first adjusting unit 2 arranged above the rotating unit 1, and a second adjusting unit 3 arranged on the side of the first adjusting unit 2;

[0029] As Figure 2As shown, the second adjusting unit 3 comprises a triangular guard plate 301 movably mounted at the end of the first arm 202, a transmission member 302 arranged inside the triangular guard plate 301, and a second adjusting member 303 arranged between the triangular guard plate 301 and the transmission member 302. The second adjusting member 303 is arranged to enable the transmission member 302 to rotate around the triangular guard plate 301.

[0030] As shown in Figure 1 As shown, the rotating unit 1 comprises a base 101 and a rotating shaft 102 mounted at the bottom of the base 101. The rotating shaft 102 is arranged to enable the entire folding arm frame to be angularly adjusted on the mining equipment.

[0031] As shown in Figure 2 As shown, the first adjusting member 203 comprises a triangular connecting seat 2032 movably mounted on the inner side wall of the first arm 202, a first luffing oil cylinder 2031 movably mounted inside the first arm 202 and having a telescopic end movably connected with the triangular connecting seat 2032, and a first straight connecting rod 2033 having one end movably connected with the U-shaped seat 201 and the other end movably connected with the triangular connecting seat 2032. The first straight connecting rod 2033 is arranged to strengthen the movable connection between the U-shaped seat 201 and the base 101.

[0032] As shown in Figure 3 As shown, the transmission member 302 comprises a second arm 3021 mounted on the inner side wall of the triangular guard plate 301, and a working connecting seat 3022 mounted at the end of the second arm 3021. The working connecting seat 3022 is arranged to facilitate the connection of mining tools such as excavating buckets and crushing drill bits to the second arm 3021.

[0033] As shown in Figure 4 As shown, the second adjusting member 303 comprises an auxiliary connecting seat 3031 movably mounted inside the first arm 202, a triangular transmission plate 3033 mounted on the side wall of the second arm 3021, and a second luffing oil cylinder 3032 movably mounted inside the auxiliary connecting seat 3031 and having a telescopic end movably connected with the triangular transmission plate 3033. When the second luffing oil cylinder 3032 is extended or retracted, the second arm 3021 is pulled to rotate around the first arm 202.

[0034] When the arm frame is stretched, the first luffing oil cylinder is extended, the first arm 202 is rotated counterclockwise around the U-shaped seat 201 to be lifted, the second luffing oil cylinder is extended, the triangular transmission plate 3033 and the transmission member drive the triangular guard plate 301 to rotate counterclockwise around the first arm 202 to be stretched and lifted, thereby achieving the stretching adjustment of the arm frame. Embodiment 2

[0035] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 andFigure 5 As shown in the figure, a folding arm support with arm belt triangular connecting rod includes a rotating unit 1, further includes a first adjusting unit 2 arranged above the rotating unit 1, and a second adjusting unit 3 arranged on the side of the first adjusting unit 2;

[0036] As shown in the figure, Figure 1 With Figure 5 As shown in the figure, the first adjusting unit 2 includes a U-shaped seat 201 mounted on the top of the rotating unit 1, a first arm 202 movably mounted in the U-shaped seat 201, and a first adjusting member 203 arranged between the U-shaped seat 201 and the first arm 202, the arrangement of the first adjusting member 203 can make the first arm 202 rotate and adjust around the U-shaped seat 201;

[0037] As shown in the figure, Figure 2 With As shown in the figure, the second adjusting unit 3 includes a triangular guard plate 301 movably mounted on the end of the first arm 202, a transmission member 302 arranged inside the triangular guard plate 301, and a second adjusting member 303 arranged between the triangular guard plate 301 and the transmission member 302, the arrangement of the second adjusting member 303 can make the transmission member 302 rotate around the triangular guard plate 301.

[0038] Figure 1 As shown in the figure,

[0039] As shown in the figure, Figure 2 With As shown in the figure, the first adjusting member 203 includes a triangular connecting seat 2032 movably mounted on the inner side wall of the first arm 202, a first pitch cylinder 2031 movably mounted inside the first arm 202 and having a telescopic end movably connected with the triangular connecting seat 2032, and a first straight connecting rod 2033 having one end movably connected with the U-shaped seat 201 and the other end movably connected with the triangular connecting seat 2032, the arrangement of the first straight connecting rod 2033 strengthens the movable connection between the U-shaped seat 201 and the base 101.

[0040] Figure 3 As shown in the figure,

[0041] As shown in the figure, Figure 4As shown, the second adjusting member 303 comprises an auxiliary connecting seat 3031 movably mounted inside the primary arm 202, a triangular transmission plate 3033 mounted on the side wall of the secondary arm 3021, a second luffing oil cylinder 3032 movably mounted inside the auxiliary connecting seat 3031 and having a telescopic end movably connected with the triangular transmission plate 3033, and when the second luffing oil cylinder 3032 is telescopically extended, the secondary arm 3021 can be pulled to rotate around the primary arm 202.

[0042] As shown in the drawings, Figure 4 As shown, the second adjusting unit 3 further comprises a second straight connecting rod 304 having one end movably connected with the auxiliary connecting seat 3031 and the other end movably connected with the triangular guard plate 301, and the second straight connecting rod 304 is arranged to directly strengthen the stable connection between the auxiliary connecting seat 3031 and the triangular guard plate 301.

[0043] When the boom is working and stretched, in addition to the connection through the hydraulic oil cylinder, the first straight connecting rod 2033 is connected with the triangular connecting seat 2032 to strengthen the stable connection between the U-shaped seat 201 and the primary arm 202, and the second straight connecting rod 304 is connected with the auxiliary connecting seat 3031 to strengthen the stable connection between the triangular guard plate 301 and the primary arm 202.

[0044] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A folding boom with a triangular linkage, comprising a rotating unit (1), characterized in that, It also includes a first adjustment unit (2) disposed above the rotating unit (1), and a second adjustment unit (3) disposed on the side of the first adjustment unit (2); The first adjustment unit (2) includes a U-shaped seat (201) mounted on the top of the rotating unit (1), a first-stage arm (202) movably mounted in the U-shaped seat (201), and a first adjustment member (203) disposed between the U-shaped seat (201) and the first-stage arm (202). The second adjustment unit (3) includes a triangular guard plate (301) movably installed at the end of the first-stage arm (202), a transmission component (302) disposed inside the triangular guard plate (301), and a second adjustment component (303) disposed between the triangular guard plate (301) and the transmission component (302).

2. A folding boom with a triangular connecting rod according to claim 1, characterized in that: The rotating unit (1) includes a base (101) and a rotating shaft (102) mounted on the bottom of the base (101).

3. A folding boom with a triangular connecting rod according to claim 1, characterized in that: The first adjusting component (203) includes a triangular connecting seat (2032) movably installed on the inner side wall of the first-stage boom (202), a first pitch cylinder (2031) movably installed inside the first-stage boom (202) and whose telescopic end is movably connected to the triangular connecting seat (2032), and a first straight connecting rod (2033) whose one end is movably connected to the U-shaped seat (201) and whose other end is movably connected to the triangular connecting seat (2032).

4. A folding boom with a triangular connecting rod according to claim 3, characterized in that: The transmission component (302) includes a secondary arm (3021) mounted on the inner wall of the triangular guard plate (301) and a working connection seat (3022) mounted on the end of the secondary arm (3021).

5. A folding boom with a triangular connecting rod according to claim 4, characterized in that: The second adjusting component (303) includes an auxiliary connecting seat (3031) movably installed inside the first-stage boom (202), a triangular transmission plate (3033) installed on the side wall of the second-stage boom (3021), and a second pitch cylinder (3032) movably installed inside the auxiliary connecting seat (3031) and whose telescopic end is movably connected to the triangular transmission plate (3033).

6. A folding boom with a triangular connecting rod according to claim 5, characterized in that: The second adjustment unit (3) also includes a second straight connecting rod (304) with one end movably connected to the auxiliary connecting seat (3031) and the other end movably connected to the triangular guard plate (301).

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