Pin pulling tool for mining hydraulic system

Abstract

The utility model discloses a mining hydraulic system pin pulling tool which comprises a pinch bar, a warped plate, a rotating ring, a connecting mechanism and a fixing mechanism, the warped plate is arranged at the end of the pinch bar, the rotating ring is arranged in the middle of the pinch bar and used for rotation of the pinch bar, the connecting mechanism is used for providing a supporting point for the pinch bar, and the fixing mechanism is used for fixing the pinch bar. And the fixing mechanism is used for fixing the position of the connecting mechanism. By means of the design of the pry bar, the warping plates, the rotating ring, the connecting mechanism and the fixing mechanism, the pry bar and the warping plates are connected in a welded mode, so that the whole tool is in an S shape, the warping plates at the two ends can be used according to the operation space condition and can penetrate through a U-shaped gap in the top of a pin, and the pin can be easily pulled out through the lever principle in cooperation with a hand hammer. When the pinch bar has no acting point, the connecting mechanism and the fixing mechanism can be installed and matched to form the acting point for matched use.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tool for overhauling technical field, especially relates to a mine hydraulic system pin pulling tool. BACKGROUND

[0002] The high-pressure pipeline of the hydraulic system used in the coal mine is fixed by using different types of special high-strength steel pins at the straight-through connection, and the pins are nailed into the corresponding pin holes by using a hand hammer during installation.

[0003] However, when the pipeline is disassembled, it is difficult to pull out the pin due to long use time, high pressure of the hydraulic system, pin rust, coal dust intrusion, pin leg stress deformation, and narrow disassembly space. INVENTION CONTENTS

[0004] The utility model discloses a mine hydraulic system pin pulling tool to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a mine hydraulic system pin pulling tool, comprising a crowbar and a hinged plate, the hinged plate is arranged at the end of the crowbar,

[0006] A rotating ring is arranged in the middle of the crowbar, and the rotating ring is used for rotating the crowbar.

[0007] A connecting mechanism is used to provide a support point for the crowbar, and the connecting mechanism is arranged on one side of the rotating ring.

[0008] A fixing mechanism is used to fix the position of the connecting mechanism, and the fixing mechanism is arranged at one end of the connecting mechanism.

[0009] Preferably, the end of the crowbar is fixedly connected with the end of the hinged plate, the crowbar is S-shaped, and the hinged plate is flat.

[0010] Preferably, the connecting mechanism comprises a connecting rod, one end of the connecting rod is fixedly connected with a mounting column, one end of the mounting column is provided with a threaded groove, and the threaded groove is internally threadedly connected with a mounting bolt for mounting the rotating ring.

[0011] Preferably, the fixing mechanism comprises a fixing rod, the two ends of the fixing rod are respectively provided with a clamping assembly for fixing the fixing rod and a rotating assembly for rotating the connecting rod, and the other end of the connecting rod is fixedly connected with a connecting block for connecting with the rotating assembly.

[0012] Preferably, the connecting block is a door-shaped, one side of the inner wall of the connecting block is provided with a round hole, the other side of the inner wall of the connecting block is provided with a locking hole, the rotating assembly comprises a rotating block, the two sides of the rotating block are respectively provided with a rotating plate and a rotating rod, the rotating plate is in penetration connection with the locking hole, the rotating rod is in penetration connection with the round hole, and one end of the rotating block is fixedly connected with one end of the fixed rod.

[0013] Preferably, the outer wall of the rotating plate is fixedly connected with a locking block used for clamping with the locking hole, the inside of the rotating block is provided with a cavity, the inner wall of the cavity is provided with a through hole, one side of the rotating plate is fixedly connected with a cylinder, the outer wall of the cylinder is sleeved with a spring, and one end of the cylinder is fixedly connected with a baffle used for extruding the spring.

[0014] Preferably, the clamping assembly comprises a fixed clamping plate and a movable clamping plate, one end of the fixed clamping plate is fixedly connected with the other end of the fixed rod, one end of the movable clamping plate is fixedly connected with a linkage block used for limiting the moving direction of the movable clamping plate, the other end of the fixed rod is provided with a clamping groove used for the movement of the linkage block, the top end of the linkage block is provided with a threaded hole, the inside of the threaded hole is in threaded penetration connection with a rotating screw rod, the inner wall of the clamping groove is provided with a circular groove, and the outer wall of the bottom of the rotating screw rod is sleeved with a bearing.

[0015] The technical effects and advantages of the present application are as follows:

[0016] The present application utilizes the design of the pry bar, the rocker, the rotating ring, the connecting mechanism and the fixing mechanism, the pry bar and the rocker are welded and connected, the tool as a whole is in an "S" shape, the two end rockers can be used according to the operation space condition, the U-shaped gap at the top of the pin can be passed through, the pin can be easily pulled out by using the lever principle and cooperating with the hand hammer, when there is no force point for the pry bar, the force point can be formed by the installation and cooperation of the connecting mechanism and the fixing mechanism, and the connecting mechanism and the fixing mechanism are used in cooperation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole three-dimensional structure schematic view of the present application.

[0018] Figure 2 It is a connecting mechanism three-dimensional structure schematic view of the present application.

[0019] Figure 3 It is a fixing mechanism structure schematic view of the present application.

[0020] Figure 4 It is a fixing mechanism structure schematic view of the present application.

[0021] Figure 5 It is a clamping assembly and fixed rod connection place sectional structure schematic view of the present application.

[0022] Figure 6 The utility model discloses a connecting block and the cross section structure schematic diagram of the connection of rotating assembly.

[0023] In the drawing: 1, crowbar;2, warped board;3, rotating ring;4, connecting mechanism;41, connecting rod;42, mounting column;43, mounting bolt;44, connecting block;5, fixed mechanism;51, fixed rod;52, rotating block;53, rotating board;54, locking block;55, cylinder;56, spring;57, baffle;58, rotating rod;59, fixed clamping plate;510, moving clamping plate;511, linkage block;512, rotating screw;513, bearing. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative work belong to the protection scope of the utility model.

[0025] The utility model provides a kind of mine hydraulic system pin puller tool as Figures 1-6 As shown in the drawing, it includes crowbar 1 and warped board 2, and the warped board 2 is arranged at the end of the crowbar 1.

[0026] Rotating ring 3 is arranged at the middle of the crowbar 1, and the rotating ring 3 is used for rotating the crowbar 1.

[0027] Connecting mechanism 4 is used for providing support point for the crowbar 1, and the connecting mechanism 4 is arranged at one side of the rotating ring 3.

[0028] Fixed mechanism 5 is used for fixing the position of the connecting mechanism 4, and the fixed mechanism 5 is arranged at one end of the connecting mechanism 4.

[0029] Specifically, the end of the crowbar 1 is fixedly connected with the end of the warped board 2, the crowbar 1 is S-shaped, the warped board 2 is flat, the connecting mechanism 4 includes connecting rod 41, one end of the connecting rod 41 is fixedly connected with mounting column 42, one end of the mounting column 42 is provided with threaded groove, and the threaded groove is internally threadedly connected with mounting bolt 43 for mounting the rotating ring 3.

[0030] Further, the two lifting plates 2 are arranged at the two ends of the crowbar 1 respectively, the contact part between the lifting plate 2 and the crowbar 1 is fixed by welding, the rotating ring 3 is arranged at the middle part of the crowbar 1, the contact part between the outer wall of the rotating ring 3 and the crowbar 1 is fixed by welding, the contact part between the connecting rod 41 and the mounting column 42 is fixed by welding, the diameter of the mounting column 42 is matched with the inner diameter of the rotating ring 3, the size of the nut of the mounting bolt 43 is 1.2 times of the inner diameter of the rotating ring 3, the rotating ring 3 is sleeved on the outer wall of the mounting column 42, the mounting bolt 43 is threadedly connected with the threaded groove, so as to limit the movement of the rotating ring 3, the rotating ring 3 can only rotate outside the mounting column 42 and cannot move linearly in the vertical direction.

[0031] Specifically, the fixing mechanism 5 comprises a fixing rod 51, the two ends of the fixing rod 51 are respectively provided with a clamping assembly for fixing the fixing rod 51 and a rotating assembly for rotating the connecting rod 41, the other end of the connecting rod 41 is fixedly connected with a connecting block 44 for connecting with the rotating assembly, the connecting block 44 is in the shape of a door, a circular hole is formed in one side of the inner wall of the connecting block 44, a locking hole is formed in the other side of the inner wall of the connecting block 44, the rotating assembly comprises a rotating block 52, the two sides of the rotating block 52 are respectively provided with a rotating plate 53 and a rotating rod 58, the rotating plate 53 is threadedly connected with the locking hole, the rotating rod 58 is threadedly connected with the circular hole, one end of the rotating block 52 is fixedly connected with one end of the fixing rod 51, the outer wall of the rotating plate 53 is fixedly connected with a locking block 54 for clamping the locking hole, a cavity is formed in the rotating block 52, a through hole is formed in the inner wall of the cavity, one side of the rotating plate 53 is fixedly connected with a cylinder 55, the outer wall of the cylinder 55 is sleeved with a spring 56, one end of the cylinder 55 is fixedly connected with a baffle 57 for pressing the spring 56.

[0032] Further, the end of the connecting block 44 in contact with the connecting rod 41 is fixed by welding, the locking hole is composed of a circle and a plurality of annular equidistantly arranged rectangles, the outer wall of the rotating plate 53 is symmetrically provided with two locking blocks 54, the locking blocks 54 are fixedly welded to the outer wall of the rotating plate 53, the size of the rotating rod 58 is adapted to the size of the round hole of the connecting block 44, the size of the circle of the locking hole is adapted to the size of the rotating plate 53, the size of the rectangle of the locking hole is adapted to the size of the locking block 54, the size of the through hole is adapted to the size of the cylinder 55, the size of the rotating plate 53 is 1.2 times the size of the through hole, the size of the baffle 57 is 1.2 times the size of the through hole, the two ends of the cylinder 55 are fixedly welded to the sides opposite to the rotating plate 53 and the baffle 57 respectively, the spring 56 is sleeved on the outer wall of the cylinder 55, the inner diameter of the spring 56 is 1.1 times the size of the through hole, the spring 56 is always in a compressed state in the cavity, thereby pushing the baffle 57 to move towards the rotating rod 58, thereby when the rotating plate 53 is installed with the locking hole, the baffle 57 drives the cylinder 55, the cylinder 55 drives the rotating plate 53, and the rotating plate 53 drives the locking block 54 on the outer wall to be inserted and connected with the rectangular part of the locking hole, thereby the angle locking between the connecting block 44 and the rotating block 52 is achieved.

[0033] Specifically, the clamping assembly comprises a fixed clamping plate 59 and a movable clamping plate 510, one end of the fixed clamping plate 59 is fixedly connected with the other end of the fixed rod 51, one end of the movable clamping plate 510 is fixedly connected with a linkage block 511 for limiting the moving direction of the movable clamping plate 510, the other end of the fixed rod 51 is provided with a clamping groove for the movement of the linkage block 511, the top end of the linkage block 511 is provided with a threaded hole, a rotating screw 512 is threadedly connected in the threaded hole, the inner wall of the clamping groove is provided with a circular groove, and the outer wall of the bottom of the rotating screw 512 is sleeved with a bearing 513.

[0034] Further, the part in contact between the rotating block 52 and the fixed rod 51 is fixed by welding, the part in contact between the fixed clamping plate 59 and the fixed rod 51 is fixed by welding, the horizontal section of the clamping groove and the linkage block 511 is T-shaped, the part in contact between the linkage block 511 and the movable clamping plate 510 is fixed by welding, the linkage block 511 drives the movable clamping plate 510 to move synchronously by moving in the clamping groove, the threads of the inner wall of the threaded hole and the threads of the outer wall of the rotating screw 512 are mutually engaged, the bearing 513 is arranged at the bottom of the circular groove, the bearing 513 is an existing ball bearing, the inner ring of the bearing 513 is fixedly welded to the outer wall of the bottom of the rotating screw 512, and the outer wall of the outer ring of the bearing 513 is fixedly welded to the inner wall of the bottom of the circular groove, the top of the circular groove penetrates the top of the clamping groove, thereby the end of the rotating screw 512 away from the bearing 513 extends out of the fixed rod 51, thereby facilitating the rotation of the rotating screw 512 by manual operation.

[0035] The tool combined by the lever 1 and the rocker 2 is in "S" shape as a whole, and the rockers 2 at both ends can be used according to the operation space condition, can pass through the U-shaped gap on the top of the pin, and the pin can be easily pulled out by using the lever principle and the hand hammer. When the lever 1 is prying, if there is no suitable supporting point, the mounting column 42 is out of the hole of the rotating ring 3, and then the mounting screw 43 is screwed with the mounting column 42 to install the rotating ring 3 and the connecting rod 41. At this time, the moving clamp plate 510 is moved by rotating the rotating screw 512, the object is clamped and fixed by the fixed clamp plate 59 and the moving clamp plate 510, the position of the fixed rod 51 is fixed, then the angle of the connecting rod 41 is adjusted, the position of the lever 1 can pry the pin, at this time, the rotating plate 53 is pulled to move away from the rotating block 52, the locking block 54 is separated from the locking hole, then the angle of the connecting rod 41 is rotated, when the connecting rod 41 is rotated to the appropriate angle, the rotating plate 53 is loosened, under the action of the restoring force of the spring 56, the baffle 57 is pushed to drive the cylinder 55, the cylinder 55 drives the rotating plate 53, the rotating plate 53 drives the locking block 54, the locking block 54 and the rotating plate 53 are inserted into the inside of the locking hole, the locking is formed, the angle of the fixed rod 51 is fixed, at this time, the mounting column 42 provides the supporting point for the lever 1 to pry, so as to pry the pin.

[0036] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A mine hydraulic system pin puller tool, characterized by, It includes a crowbar (1) and a flap (2), the flap (2) is arranged at the end of the crowbar (1); The rotating ring (3) is arranged in the middle of the crowbar (1), and the rotating ring (3) is used for rotating the crowbar (1); The connecting mechanism (4) is used for providing a support point for the crowbar (1), and the connecting mechanism (4) is arranged on one side of the rotating ring (3); The fixing mechanism (5) is used for fixing the position of the connecting mechanism (4), and the fixing mechanism (5) is arranged at one end of the connecting mechanism (4).

2. A hydraulic system pin puller tool for mining as claimed in claim 1, wherein, The end of the crowbar (1) is fixedly connected with the end of the flap (2), the crowbar (1) is S-shaped, and the flap (2) is flat.

3. The hydraulic system pin puller tool for mining as claimed in claim 1, wherein, The connecting mechanism (4) includes a connecting rod (41), one end of the connecting rod (41) is fixedly connected with a mounting column (42), one end of the mounting column (42) is provided with a threaded groove, and the threaded groove is internally and threadedly connected with a mounting bolt (43) used for mounting the rotating ring (3).

4. A hydraulic system pin puller tool for mining as claimed in claim 3, wherein, The fixing mechanism (5) includes a fixed rod (51), both ends of the fixed rod (51) are respectively provided with a clamping assembly used for fixing the fixed rod (51) and a rotating assembly used for rotating the connecting rod (41), and the other end of the connecting rod (41) is fixedly connected with a connecting block (44) used for being connected with the rotating assembly.

5. A hydraulic system pin puller tool for mining as claimed in claim 4, wherein, The connecting block (44) is in the shape of a door, a round hole is formed in one side of the inner wall of the connecting block (44), a locking hole is formed in the other side of the inner wall of the connecting block (44), the rotating assembly includes a rotating block (52), both sides of the rotating block (52) are respectively provided with a rotating plate (53) and a rotating rod (58), the rotating plate (53) is connected with the locking hole in a penetrating mode, the rotating rod (58) is connected with the round hole in a penetrating mode, and one end of the rotating block (52) is fixedly connected with one end of the fixed rod (51).

6. A hydraulic system pin puller tool for mining as claimed in claim 5, wherein, The outer wall of the rotating plate (53) is fixedly connected with a locking block (54) used for being clamped with the locking hole, a cavity is formed in the rotating block (52), a through hole is formed in the inner wall of the cavity, one side of the rotating plate (53) is fixedly connected with a cylinder (55), the outer wall of the cylinder (55) is sleeved with a spring (56), and one end of the cylinder (55) is fixedly connected with a baffle (57) used for pressing the spring (56).

7. A hydraulic system pin puller tool for mining as claimed in claim 4, wherein, The clamping assembly includes a fixed clamping plate (59) and a movable clamping plate (510), one end of the fixed clamping plate (59) is fixedly connected with the other end of the fixed rod (51), one end of the movable clamping plate (510) is fixedly connected with a linkage block (511) used for limiting the moving direction of the movable clamping plate (510), the other end of the fixed rod (51) is provided with a clamping groove used for the movement of the linkage block (511), a threaded hole is formed in the top end of the linkage block (511), a rotating screw rod (512) is threadedly connected in the threaded hole in a penetrating mode, a circular groove is formed in the inner wall of the clamping groove, and the outer wall of the bottom of the rotating screw rod (512) is sleeved with a bearing (513).

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