Locking device of reciprocating compressor speed reducer

Abstract

The locking device comprises the speed reducer and an adjusting shaft arranged on the speed reducer, a hand wheel is arranged at one end of the adjusting shaft, a driving gear is arranged at the end, away from the hand wheel, of the adjusting shaft, and a first support is fixedly arranged on the side, close to the hand wheel, of the outer wall of the speed reducer. The first support is horizontally provided with a first probe, and the side wall, close to the first probe, of the hand wheel is provided with a first induction point. Therefore, a stable working environment is provided for maintenance personnel, the safety problem and maintenance interference caused by accidental rotation of the crankshaft are avoided, and the safety and efficiency of inspection and maintenance work are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to reciprocating compressor maintenance technical field, concretely is a locking device of reciprocating compressor speed reducer. BACKGROUND

[0002] In the maintenance of reciprocating compressor, the lack of effective locking device of rotatable crankshaft during the maintenance of compressor, the crankshaft may rotate due to gravity when the compressor is disassembled and inspected, which not only interferes with the normal maintenance work, but also may cause the maintenance personnel to be injured, and there is a great security risk, therefore, an effective locking device of crankshaft and accurate indication of driving gear position is urgently needed. SUMMARY

[0003] In view of the shortage of prior art, the utility model provides a locking device of reciprocating compressor speed reducer, solves the problem that the crankshaft rotates due to gravity during the maintenance of existing compressor.

[0004] To achieve the above object, the utility model discloses a locking device of reciprocating compressor speed reducer, including speed reducer and the adjusting shaft that is located on the speed reducer, the adjusting shaft one end is equipped with hand wheel, the one end of adjusting shaft away from hand wheel is equipped with driving gear, the first support is fixedly arranged on the one side of the outer wall of speed reducer close to hand wheel, the first probe is horizontally arranged on the first support, the first sensing point is arranged on the side wall of hand wheel close to the first probe, the second support is fixedly arranged on the one side of the outer wall of speed reducer close to driving gear, the second probe is horizontally arranged on the second support, and the second sensing point is arranged on the side wall of driving gear close to the second probe.

[0005] Preferably, the one side of the outer wall of speed reducer close to hand wheel is equipped with padlock.

[0006] Preferably, rotating the hand wheel can make the adjusting shaft drive the driving gear to move axially.

[0007] Beneficial effects

[0008] The utility model provides a locking device of reciprocating compressor speed reducer, has the following beneficial effects:

[0009] Through the meshing of speed reducer driving gear and compressor crankshaft flywheel, the crankshaft can be reliably fixed, so that it can not rotate during maintenance, which provides a stable working environment for maintenance personnel, avoids the safety problem and maintenance interference caused by accidental rotation of the crankshaft, and improves the safety and efficiency of maintenance work.

[0010] The first probe and the first sensing point, and the second probe and the second sensing point can accurately identify the position of the driving gear, when the first probe identifies the first sensing point, it indicates that the driving gear reaches the meshing position, and when the second probe identifies the second sensing point, it indicates that the driving gear reaches the disengaging position, the clear position indicating function helps the operator to accurately judge the state of the driving gear, and reduces the possibility of operation failure, after confirming that the driving gear reaches the corresponding position, the hand wheel is locked through the padlock, so that the position of the driving gear cannot be changed, and stability can be maintained in the meshing state or the disengaging state, and the reliability and safety of the device are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a structural schematic view of the utility model.

[0012] Fig. 2 It is a top view structural schematic view of the utility model.

[0013] In the figure: 1, first support; 2, first probe; 3, padlock; 4, hand wheel; 5, second support; 6, second probe; 7, driving gear; 8, first sensing point; 9, second sensing point; 10, speed reducer. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 those skilled in the art without creative labor belong to the protection scope of the utility model.

[0015] Please refer to Figs. 1-2 The utility model provides a kind of technical solutions: a locking device of reciprocating compressor speed reducer, including speed reducer 10 and being located on the adjusting shaft of speed reducer 10, the adjusting shaft one end is equipped with hand wheel 4, the adjusting shaft is equipped with driving gear 7 away from hand wheel 4 one end, the first support 1 is fixed on the side of the outer wall of speed reducer 10 close to hand wheel 4, the first probe 2 is horizontally equipped on the first support 1, the first sensing point is equipped on the side wall of hand wheel 4 close to first probe 2, the second support 5 is fixed on the side of the outer wall of speed reducer 10 close to driving gear 7, the second probe 6 is horizontally equipped on the second support 5, and the second sensing point is equipped on the side wall of driving gear 7 close to second probe 6.

[0016] By adopting the above technical scheme, the rotating hand wheel 4 drives the adjusting shaft to rotate, and the adjusting shaft drives the driving gear 7 to move axially. The first probe 2 and the first sensing point, and the second probe 6 and the second sensing point are respectively used for detecting the meshing and disengaging positions of the driving gear 7. When the first probe 2 detects the first sensing point, it indicates that the driving gear 7 reaches the meshing position; when the second probe 6 detects the second sensing point, it indicates that the driving gear 7 reaches the disengaging position.

[0017] The embodiment is further provided with a padlock 3 arranged on the side of the outer wall of the speed reducer 10 close to the hand wheel 4.

[0018] By adopting the above technical scheme, when the driving gear 7 reaches the meshing or disengaging position, the hand wheel 4 is locked by using the padlock 3 to prevent accidental rotation of the hand wheel 4, thereby ensuring the position stability of the driving gear 7.

[0019] The embodiment is further provided with that rotating the hand wheel 4 can drive the adjusting shaft to move the driving gear 7 axially.

[0020] The skilled in the art will connect the parts in the case in sequence, and the specific connection and operation sequence should be referred to the working principle below, and the detailed connection means is the public known technology in the art, and the working principle and process are mainly introduced below.

[0021] Embodiment: When overhauling, rotate the hand wheel 4 clockwise, the adjusting shaft drives the driving gear 7 to move to the right side, when the first probe 2 identifies the first sensing point, it indicates that the driving gear 7 has reached the meshing state with the compressor crankshaft flywheel, at this time, the hand wheel 4 is locked by using the padlock 3 to prevent the position change of the driving gear 7, thereby fixing the crankshaft so that it cannot rotate, creating safe and stable conditions for the overhauling work of the compressor. In the state that the crankshaft is locked, the maintenance personnel can safely disassemble, inspect and maintain the inside of the compressor, when the overhauling work is completed and the compressor needs to be started, rotate the hand wheel 4 counterclockwise, the adjusting shaft drives the driving gear 7 to move to the left side, when the second probe 6 identifies the second sensing point, it indicates that the driving gear 7 has disengaged from the compressor crankshaft flywheel, at this time, the hand wheel 4 is locked again by using the padlock 3 to ensure that the driving gear 7 remains in the disengaging position, allowing the compressor to start.

[0022] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0023] While embodiments of the present application have been shown and described with reference to the figures, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the spirit and scope of the present application, which should be limited only by the scope of the appended claims and the equivalents thereof.

Claims

1. A locking device of a reduction gear of a reciprocating compressor, comprising a reduction gear (10) and an adjusting shaft provided on the reduction gear (10), one end of the adjusting shaft being provided with a hand wheel (4), characterized in that, The end of the adjusting shaft away from the hand wheel (4) is provided with a driving gear (7), the outer wall of the speed reducer (10) is fixedly provided with a first support (1) on the side close to the hand wheel (4), the first support (1) is horizontally provided with a first probe (2), the side wall of the hand wheel (4) close to the first probe (2) is provided with a first sensing point (8), the outer wall of the speed reducer (10) is fixedly provided with a second support (5) on the side close to the driving gear (7), the second support (5) is horizontally provided with a second probe (6), and the side wall of the driving gear (7) close to the second probe (6) is provided with a second sensing point (9).

2. A locking device for a reduction gear of a reciprocating compressor according to claim 1, characterized in that, The outer wall of the speed reducer (10) is provided with a padlock (3) on the side close to the hand wheel (4).

3. A locking device for a speed reducer of a reciprocating compressor according to claim 1, wherein Rotating the hand wheel (4) can drive the driving gear (7) to move axially.

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