Gate pull rod pin shaft withdrawing device

Abstract

A gate pull rod pin shaft withdrawing device comprises a supporting seat, an adjusting rod penetrates through the supporting seat in a sliding mode, and the end, away from the supporting seat, of the adjusting rod is connected with a gate pull rod. A plurality of adjusting rods are arranged, and the adjusting rods are uniformly arranged on the supporting seat; a force applying piece is detachably arranged on the supporting base, one end of the force applying piece abuts against the supporting base, and the other end of the force applying piece abuts against the pin shaft. The pin shaft can be quickly and efficiently pushed out of the gate pull rod.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the overhaul of the gate of the hydropower station, and particularly relates to a gate pull rod pin shaft withdrawal device. BACKGROUND

[0002] The water conservancy projects such as the hydropower station and the reservoir are generally provided with the gate for intercepting the water flow, controlling the water level, adjusting the flow, discharging the silt and the floating objects and the like. In some working conditions with large opening and closing force or special requirements, the gate is opened and closed in the mode of being connected by multiple sections of pull rods, and these pull rods are connected and separated by the insertion and withdrawal of the pin shaft. Since the pin shaft is immersed in water for a long time, the fault occurs frequently, which causes the corresponding insertion and withdrawal mechanism to fail to normally withdraw, and emergency withdrawal and overhaul treatment are required.

[0003] At present, when the gate pull rod pin shaft fails to normally withdraw, two methods are mainly used for the withdrawal of the pin shaft, one is to disassemble all the matched accessories of the pull rod pin shaft and withdraw it manually, and the other is to use a hammer and the like to hammer the pin shaft to withdraw it from the matched part of the pull rod. These methods have the following shortcomings: the matched accessories need to be disassembled one by one, the efficiency is low, the labor cost is high, the hammering is easy to cause the flying of metal scraps or the dropping of the tool, the safety risk is prominent, and the hammering vibration can cause secondary damage to the equipment. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of gate pull rod pin shaft withdrawal device to solve the problem that pull rod pin shaft is difficult to normally withdraw when fault occurs.

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is as follows:

[0006] A gate pull rod pin shaft withdrawal device, comprising a support seat, an adjusting rod is slidably inserted through the support seat, and one end of the adjusting rod, away from the support seat, is connected with a gate pull rod.

[0007] The adjusting rod is provided with multiple adjusting rods, and the adjusting rods are uniformly arranged on the support seat.

[0008] A force applying member is detachably arranged on the support seat, one end of the force applying member abuts against the support seat, and the other end is used for abutting against the pin shaft.

[0009] Further, a mounting hole is formed in the middle of the support seat, and the mounting hole is used for inserting and mounting the force applying member.

[0010] A plurality of through holes are symmetrically formed on the seat surface of the support seat, and the through holes are used for slidingly inserting the adjusting rods.

[0011] Further, the force applying member comprises a jack and an extension rod, and the extension rod is detachably mounted on the end of the jack.

[0012] The mounting hole periphery forms a limiting ring, the jack part is inserted into the limiting ring and abuts against the limiting ring.

[0013] Further, the support frame includes a shaft and a plurality of support rings arranged at the middle and both ends of the shaft, and the support rings are used for allowing the plurality of adjusting rods and the force applying member to slide therethrough.

[0014] Further, the support frames are arranged at intervals along the length direction of the adjusting rods, and the inner diameter of the support rings matches the diameter of the adjusting rods and the force applying member.

[0015] Further, the adjusting rod is detachably provided with an abutting block, the abutting block is threadedly connected to the side of the adjusting rod away from the gate pull rod, and the abutting block is surface-adhered to the surface of the support seat.

[0016] Further, the elongated rod is provided with a mounting long barrel at the end for connecting with the jack, and the end of the jack is matchingly inserted into the mounting long barrel.

[0017] Further, the elongated rod is provided with an enlarged head at the end for abutting against the pin shaft, when the axis of the elongated rod is parallel to the central axis of the pin shaft, the side wall of the enlarged head in contact with the pin shaft is surface-adhered to the surface of the pin shaft.

[0018] Further, the enlarged head is further provided with a flexible layer at the side for abutting against the pin shaft.

[0019] Further, the elongated rod includes a main shaft and a plurality of branch shafts, the branch shafts are connected to the side of the main shaft close to the pin shaft, and the plurality of branch shafts are symmetrically arranged along the central axis of the main shaft.

[0020] The utility model discloses can reach following beneficial effects:

[0021] 1. The application can be used to exit the device, which can be used to exit the pin shaft for maintenance when the gate pull rod is unable to exit normally due to failure of the exit mechanism. The adjusting rod provides a mounting base for the support seat, and the support seat provides a supporting reaction force for the force applying member, so that the force applying member can push the pin shaft to exit the pin shaft. The device has simple structure, fast assembly, easy manufacturing, light weight, easy movement, high work efficiency, and is not easy to fall during use, easy operation and good safety performance.

[0022] 2. By setting an enlarged head at the end of the elongated rod or a plurality of branch shafts, the device can apply an eccentric force to the pin shaft when the pin shaft is already inclined, and gradually push the pin shaft to the correct position and then push out the gate pull rod.

[0023] 3、Setting support frame can connect and limit multiple adjusting rods, and further make the device structure more stable and firm. BRIEF DESCRIPTION OF DRAWINGS

[0024] The utility model will be further described below in combination with the drawings and examples:

[0025] Figure 1 It is the whole effect schematic view of the gate pull rod pin shaft withdrawal device work of the utility model;

[0026] Figure 2 It is Figure 1 The enlarged view of A in the middle;

[0027] Figure 3 It is the structure schematic view of the gate pull rod pin shaft withdrawal device of the utility model;

[0028] Figure 4 It is the structure schematic view of the support seat of the utility model;

[0029] Figure 5 It is the explosion structure schematic view of the force applying piece of the utility model;

[0030] Figure 6 It is the structure schematic view of the support frame of the utility model;

[0031] Figure 7 It is the structure schematic view of the enlarged head setting at the end of the lengthening rod of the utility model;

[0032] Figure 8 It is the structure schematic view of the lengthening rod setting sub-shaft rod of the utility model.

[0033] In the drawings, the component list represented by each sign is as follows:

[0034] 1, support seat;11, mounting hole;12, through hole;13, limiting ring;2, adjusting rod;21, abutting block;3, force applying piece;31, jack;32, lengthening rod;321, main shaft rod;322, sub-shaft rod;33, mounting long barrel;34, enlarged head;4, support frame;41, shaft rod;42, support ring;

[0035] 100, pin shaft;200, gate pull rod. DETAILED DESCRIPTION

[0036] In order to facilitate understanding of the present application, the present application will be more fully described below with reference to the relevant drawings. The embodiments of the present application are shown in the drawings. However, the present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0037] As Figures 1 to 8 A gate pull rod pin shaft withdrawal device, as shown in the figure, comprises a support seat 1, a plurality of adjusting rods 2 sliding through the support seat 1, and a force applying member 3 abutting against the support seat 1. One end of the adjusting rod 2 is installed on the gate pull rod 200, the other end slides through the support seat 1, and a abutting block 21 is threadedly connected on each adjusting rod 2, which is arranged on the side of the support seat 1 away from the gate pull rod 200, and the support seat 1 is provided with a supporting reaction force through the abutting block 21. One end of the force applying member 3 abuts against the support seat 1, and the other end abuts against the end face of the pin shaft 100, and the force applying member 3 specifically comprises a jack 31, which applies a pushing force to the pin shaft 100, and the support seat 1 supports the force applying member 3, thereby pushing the pin shaft 100 away from the gate pull rod 200, which is simple and convenient to operate.

[0038] Specifically, a mounting hole 11 is formed in the middle of the support seat 1, a limiting ring 13 is formed on the side of the mounting hole 11, one end of the jack 31 is inserted into the limiting ring 13 and abuts against the limiting ring 13, thereby providing a stable counter-supporting force through the limiting ring 13. The force applying member 3 further comprises an extension rod 32, which is installed at the end of the jack 31 away from the support seat 1. The extension rod 32 can increase the moving stroke of the jack 31, facilitating the withdrawal of the pin shaft 100 with a longer size.

[0039] A plurality of through holes 12 are further formed on the surface of the support seat 1, and the number of the through holes 12 is consistent with the number of the adjusting rods 2. The through holes 12 are uniformly and symmetrically arranged on the surface of the support seat 1. In the embodiment, two through holes 12 are symmetrically arranged on both sides of the mounting hole 11. The adjusting rod 2 is a threaded rod, one end of which is threadedly connected with the original threaded hole on the surface of the gate pull rod 200, and the other end is threadedly connected with the abutting block 21 after sliding through the through hole 12, thereby restoring the jack 31 to the initial state when the moving stroke of the jack 31 is used up, pushing the support seat 1 to slide along the adjusting rod 2 until the extension rod 32 abuts against the surface of the pin shaft 100 again, at which time the surface of the abutting block 21 is again attached to the surface of the support seat 1 by rotating the abutting block 21, so that the pin shaft 100 can be moved again by the jack 31 until it is separated from the gate pull rod 200.

[0040] A plurality of support frames 4 are also arranged along the length direction of the adjusting rod 2, the support frame 4 comprises a shaft 41 and a plurality of support rings 42 arranged at the middle and both ends of the shaft 41, in the embodiment, three support rings 42 are arranged; two support frames 4 are used for the two adjusting rods 2 and the extension rod 32 to slide through, and the other support frame 4 is used for the two adjusting rods 2 and the jack 31 to slide through. The diameters of the adjusting rod 2 and the extension rod 32 and the diameter of the jack 31 passing through the support ring 42 section all match the inner diameters of the corresponding support rings 42. The support frame 4 is arranged to prevent the adjusting rod 2 and the extension rod 32 from falling off, in addition, the support frame 4 can form a whole with the plurality of adjusting rods 2 and the force applying member 3, thereby improving the stability of the device.

[0041] Further, the mounting long tube 33 can be formed on the side of the extension rod 32 close to the jack 31, the end of the jack 31 is matched and inserted into the mounting long tube 33, and the mounting long tube 33 can improve the stability and convenience of the mounting of the extension rod 32 and the jack 31.

[0042] In another embodiment, the end of the extension rod 32 used for abutting against the pin shaft 100 is provided with an enlarged head 34, when the axis of the extension rod 32 is parallel to the central axis of the pin shaft 100, the side wall of the enlarged head 34 in contact with the pin shaft 100 is attached to the surface of the pin shaft 100, and the side of the enlarged head 34 used for abutting against the pin shaft 100 is also provided with a flexible layer. The enlarged head 34 can be designed in a cubic shape, when the pin shaft 100 is inclined in the process of violent disassembly, a large pushing resistance is directly applied to the pin shaft 100; the enlarged head 34 is provided and the flexible layer is arranged at the end of the enlarged head 34, so that the friction between the enlarged head 34 and the surface of the pin shaft 100 is increased, and when the pin shaft 100 is inclined, the enlarged head 34 first contacts the surface of the pin shaft 100 at a point, and can assist the pin shaft 100 to reset in the pushing process, until the enlarged head 34 is attached to the surface of the pin shaft 100 and in surface contact after the pin shaft 100 is reset, thereby the pin shaft 100 can be quickly pushed.

[0043] In another preferred embodiment, the extension rod 32 comprises a main shaft 321 and a plurality of branch shafts 322, the branch shafts 322 are arranged on the side of the main shaft 321 close to the pin shaft 100, the plurality of branch shafts 322 are symmetrically arranged along the central axis of the main shaft 321, and the end of the branch shaft 322 in contact with the surface of the pin shaft 100 can also be provided with an enlarged head 34. When the pin shaft 100 is inclined, the plurality of symmetric branch shafts 322 can correspondingly eccentrically push the pin shaft 100, until the pin shaft 100 is reset to be parallel to the central axis of the main shaft 321, at this time, the pin shaft 100 can be quickly and efficiently pushed out.

[0044] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A gate rod pin withdrawal device characterized by: Including support seat (1), the support seat (1) on sliding through have adjustment lever (2), the adjustment lever (2) is connected with gate pull rod (200) away from one end of the support seat (1); The adjustment lever (2) is provided with multiple, and the adjustment lever (2) is uniformly arranged on the support seat (1); The support seat (1) is detachably provided with a force applying member (3), one end of the force applying member (3) abuts against the support seat (1), and the other end is used for abutting against a pin shaft (100).

2. A gate pull rod pin shaft withdrawal device as defined in claim 1 wherein: A mounting hole (11) is formed in the middle of the support seat (1), and the mounting hole (11) is used for inserting and mounting the force applying member (3); A plurality of through holes (12) are symmetrically formed on the seat surface of the support seat (1), and the plurality of through holes (12) are used for sliding through the adjustment lever (2).

3. A gate pull rod pin shaft withdrawal device according to claim 2, wherein: The force applying member (3) includes a jack (31) and an extension rod (32), and the extension rod (32) is detachably installed at the end of the jack (31). The mounting hole (11) is formed with a limiting ring (13) on the side, and the jack (31) is partially inserted into the limiting ring (13) and abuts against the limiting ring (13).

4. A gate pull rod pin shaft withdrawal device as defined in claim 1 wherein: It also includes a support frame (4), the support frame (4) includes a shaft rod (41) and a plurality of support rings (42) arranged at the middle and both ends of the shaft rod (41), and the support rings (42) are used for sliding through the plurality of adjustment levers (2) and the force applying member (3).

5. A gate pull rod pin shaft withdrawal device as claimed in claim 4, wherein: The support frame (4) is spaced apart along the length direction of the adjustment lever (2), and the inner diameter of the support ring (42) matches the diameter of the adjustment lever (2) and the force applying member (3).

6. A gate pull pin shaft withdrawal device as claimed in claim 1, wherein: A abutting block (21) is detachably installed on the adjustment lever (2), the abutting block (21) is threadedly connected to one side of the adjustment lever (2) away from the gate pull rod (200), and the abutting block (21) is attached to the surface of the support seat (1).

7. A gate pull rod pin shaft withdrawal device as defined in claim 3 wherein: An installation long barrel (33) is formed at one end of the extension rod (32) for connecting with the jack (31), and the end of the jack (31) is matched and inserted into the installation long barrel (33).

8. A gate pull rod pin shaft withdrawal device according to claim 7, characterized in that: An enlarged head (34) is arranged at one end of the extension rod (32) for abutting against the pin shaft (100), when the axis of the extension rod (32) is parallel to the central axis of the pin shaft (100), the side wall of the enlarged head (34) contacting the pin shaft (100) is attached to the surface of the pin shaft (100).

9. A gate pull rod pin shaft withdrawal device as claimed in claim 8, wherein: A flexible layer is further arranged on the side of the enlarged head (34) for abutting against the pin shaft (100).

10. A gate rod pin shaft withdrawal device according to claim 3 or 8, wherein: The extension rod (32) includes a main shaft rod (321) and a plurality of sub-shaft rods (322), the sub-shaft rods (322) are connected to one side of the main shaft rod (321) close to the pin shaft (100), and a plurality of the sub-shaft rods (322) are symmetrically arranged along the central axis of the main shaft rod (321).

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