CN204819289U - Fixed ratchet spanner of piston rod and use reciprocating compressor of this spanner - Google Patents
Fixed ratchet spanner of piston rod and use reciprocating compressor of this spanner Download PDFInfo
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- CN204819289U CN204819289U CN201520381347.5U CN201520381347U CN204819289U CN 204819289 U CN204819289 U CN 204819289U CN 201520381347 U CN201520381347 U CN 201520381347U CN 204819289 U CN204819289 U CN 204819289U
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Abstract
The utility model provides a fixed ratchet spanner of piston rod and use reciprocating compressor of this spanner, ratchet spanner be including being used for the assembly portion of assembly on the threaded rod, rotates in the assembly portion to be equipped with to be used for driving the threaded rod pivoted and to rotate the efferent, still is equipped with ratchet in the assembly portion, and ratchet spanner still includes and drives through ratchet rotate the efferent and do one -way intermittent motion's drive division, rotate the efferent for being used for the interior swivel nut of suit on the threaded rod, interior swivel nut have be used for with the threaded rod on external screw thread section spiral fastening connection do synchronous pivoted screw hole so that interior spiral shell cuff belt the threaded rod. Ratchet spanner can utilize the external screw thread section of threaded rod self, no longer need set up the board portion of twisting on the threaded rod, can not increase the cost of manufacture of threaded rod, upwards rotates the drive division including needing only swivel nut week repeatedly, can be unidirectional rotating through swivel nut and threaded rod in the ratchet drive.
Description
Technical field
The utility model relates to the fixed ratchet spanner of a kind of piston rod and uses the compressor of this spanner.
Background technology
Reciprocating compressor is common, the multiplex production equipment of refinery production field, reciprocating compressor comprises the first-class attaching parts of piston rod, connecting rod and cross, by crosshead, connecting rod and piston rod are linked together, the rotary motion of bent axle is converted into the linear reciprocating motion of piston rod by connecting rod and crosshead, crosshead is assemblied in corresponding crosshead slideway.At present, crosshead connects form with piston rod has that thread connection, connector connect, flange connect and cottering four kinds of forms, wherein thread connection have that structure is simple, easily manufactured, lightweight, low cost and other advantages and being used widely.
In the thread connection of crosshead and piston rod, screw thread is equipped with at the link of crosshead and piston rod, wherein, the link of piston rod is provided with external thread section, then internal thread segment is provided with at the link of crosshead, and be installed with on the piston rod piston rod spinning put in place after by piston rod and crosshead locking standby jack panel, on piston rod in the root of external thread section set up put for clamp spanner be hexagonal twisting portion, the circumference in twisting portion has twisting side.At needs, piston rod is overhauled, during replacing, piston rod and crosshead is needed to throw off, after unscrewing the standby jack panel between crosshead and piston rod, can only to pull or open-end wrench is stuck on the twisting side in twisting portion with living, pull piston rod to rotate to deviate from the thread connection with crosshead, because crosshead is narrower in the locus of slideway, spanner needs the inverted orientation of 60-80 time repeatedly, 60-80 time pull down from twisting portion, again be installed on again on the twisting side in twisting portion, then 60-80 time pull piston rod, piston rod just can be made to exit the thread connection with crosshead.And when piston rod and crosshead link together by needs, need spanner pulling down from the plate portion of twisting repeatedly equally, be again installed on plate again and twist on the twisting side in portion.When workman carries out the installation and removal of piston rod, labour intensity is large, and installation and removal work is all wasted time and energy.
In fact, often adopt ratchet spanner in less rotation space, complete the rotational fastener work of threaded connector in prior art, as at application publication number be CN103465205A Chinese invention patent application in disclose a kind of open ratchet wrench, ratchet spanner comprises the department of assembly for being assemblied on threaded connector, department of assembly is rotatably equipped with the fixture block of twisting for the plate being installed on threaded connector in portion as rotating efferent, fixture block has for twisting the bayonet socket of the twisting side corresponding matching in portion with plate, fixture block and threaded connector clamping are connected, described ratchet spanner is also provided with for driving the drive division rotated as the fixture block rotating efferent, department of assembly is also provided with ratchet mechanism, ratchet mechanism drives the fixture block as rotating efferent to do unidirectional intermittent rotary, ratchet mechanism comprises the ratchet that coaxially sets firmly with fixture block and is rotating the ratchet that circumference is together rotated with drive division, pawl-and-gearing coordinates with the unidirectional intermittent rotary of driving pawl.During use, the fixture block correspondence of department of assembly is installed in the twisting portion of threaded connector to be rotated, reciprocating rotation drive division, drive division is with ratchet reciprocating rotation in the circumferential, the corresponding driving pawl of ratchet makes unidirectional intermittent rotary, ratchet then does unidirectional intermittent rotary with fixture block and threaded connector, thus completes the fastening assembling of double thread connector.
But above-mentioned ratchet spanner all needs to preset the plate clamping spanner in use on threaded connector twists portion, threaded connector such as the threaded rod not having plate to twist portion just can not use this ratchet spanner, so need to twist portion at threaded connector as threaded rod set up hexagonal plate, add the cost of manufacture of threaded rod.
Summary of the invention
The utility model provides a kind of piston rod fixed ratchet spanner, needs on threaded rod, be provided with the technical problem that twisting portion could use to solve ratchet spanner of the prior art; Meanwhile, the utility model also provides a kind of reciprocating compressor using above-mentioned ratchet spanner.
The technical scheme of the fixed ratchet spanner of piston rod provided by the utility model is: the fixed ratchet spanner of piston rod, comprise the department of assembly for being assemblied on threaded rod, department of assembly is rotatably equipped with the rotation efferent for driving threaded rod to rotate, department of assembly is also provided with ratchet mechanism, ratchet spanner also comprises and drives described rotation efferent to do the drive division of unidirectional intermittent rotary by ratchet mechanism, described rotation efferent is for being sleeved on swivel nut on threaded rod, interior swivel nut has the screwed hole for being connected to make interior swivel nut synchronously rotate with threaded rod with the external thread section screw-tightened on threaded rod.
Described ratchet mechanism comprises and is coaxially installed in the ratchet portion on efferent that rotates and the ratchet portion with ratchet portion corresponding matching, ratchet portion in interior swivel nut circumference with drive division synchronous axial system, described ratchet mechanism is distributed with two covers along the axially spaced-apart of interior swivel nut, and the rotation direction that in the driving of ratchet portion in interior swivel nut circumference of two cover ratchet mechanisms, swivel nut rotates is contrary.
Two described cover ratchet mechanisms share a ratchet portion, and shared ratchet portion is along axially movable being assemblied in described department of assembly of interior swivel nut.
Described department of assembly has and rotates with interior swivel nut the endoporus assembled, the hole wall of endoporus is distributed with two locating holes along interior swivel nut axially spaced-apart, two locating holes and described two overlap two ratchet portion one_to_one corresponding of ratchet mechanism, department of assembly is provided with the axially extended long guiding hole of interior swivel nut, in long guiding hole, guiding movement is equipped with and optionally locates the column of inserting with two locating holes, described shared ratchet portion is installed on column, described column is set with and applies to force column to move the top pressure spring that described shared ratchet portion is coordinated with corresponding ratchet towards interior swivel nut to column.
Described department of assembly comprises and rotates the outer wheel case of assembling with described interior swivel nut, interior swivel nut and foreign steamer are enclosed within interior swivel nut axially orientation assemble, described drive division is the mounting cylinder being installed on described outer wheel case outer peripheral face and extending along outer wheel case radial direction, mounting cylinder have to rotate with drive installation cylinder for instrumentation operations handle or plug-in mounting jackscrew interior swivel nut and outer wheel case to be fixed the endoporus of assembling.
The technical scheme of the reciprocating compressor of the above-mentioned ratchet spanner of use provided by the utility model is: reciprocating compressor, comprise crosshead and the piston rod with crosshead thread connection, piston rod is the threaded rod with external thread section, threaded rod is equipped with ratchet spanner, ratchet spanner comprises the department of assembly be assemblied on threaded rod, department of assembly is rotatably equipped with the rotation efferent for driving threaded rod to rotate, department of assembly is also provided with ratchet mechanism, ratchet spanner also comprises and drives described rotation efferent to do the drive division of unidirectional intermittent rotary by ratchet mechanism, it is characterized in that: described rotation efferent is for being sleeved on swivel nut on threaded rod, interior swivel nut has the screwed hole for being connected to make interior swivel nut synchronously rotate with threaded rod with the external thread section screw-tightened on threaded rod.
Described ratchet mechanism comprises and is coaxially installed in the ratchet portion on efferent that rotates and the ratchet portion with ratchet portion corresponding matching, ratchet portion in interior swivel nut circumference with drive division synchronous axial system, described ratchet mechanism is distributed with two covers along the axially spaced-apart of interior swivel nut, the rotation direction that in the driving of ratchet portion in interior swivel nut circumference of two cover ratchet mechanisms, swivel nut rotates is contrary, described threaded rod is installed with the thrust position limiting structure of thrust surface towards interior swivel nut in the side away from crosshead of described interior swivel nut, described threaded rod is installed with locking nut in the side towards crosshead of described interior swivel nut.
Two described cover ratchet mechanisms share a ratchet portion, and shared ratchet portion is along axially movable being assemblied in described department of assembly of interior swivel nut.
Described department of assembly has and rotates with interior swivel nut the endoporus assembled, the hole wall of endoporus is distributed with two locating holes along interior swivel nut axially spaced-apart, two locating holes and described two overlap two ratchet portion one_to_one corresponding of ratchet mechanism, department of assembly is provided with the axially extended long guiding hole of interior swivel nut, in long guiding hole, guiding movement is equipped with and optionally locates the column of inserting with two locating holes, described shared ratchet portion is installed on column, described column is set with and applies to force column to move the top pressure spring that described shared ratchet portion is coordinated with corresponding ratchet towards interior swivel nut to column.
Described department of assembly rotates the outer wheel case of assembling with described interior swivel nut, interior swivel nut and foreign steamer are enclosed within interior swivel nut axially orientation assemble, described drive division is the mounting cylinder being installed on described outer wheel case outer peripheral face and extending along outer wheel case radial direction, mounting cylinder have to rotate with drive installation cylinder for instrumentation operations handle or plug-in mounting jackscrew interior swivel nut and outer wheel case to be fixed the endoporus of assembling.
The beneficial effects of the utility model are: ratchet spanner provided by the utility model is when driving threaded rod to rotate, be sleeved on threaded rod using on ratchet spanner as swivel nut in rotation efferent, and the screwed hole of interior swivel nut is connected with the external thread section screw-tightened on threaded rod, when drive division drives inner screw sheath to do unidirectional intermittent rotary by ratchet mechanism, inner screw sheath will with threaded rod synchronous axial system, this ratchet spanner can utilize the external thread section of threaded rod self, no longer need to set up plate on threaded rod and twist portion, the cost of manufacture of threaded rod can not be increased, as long as rotating drive portion repeatedly in interior swivel nut circumference, namely in driving by ratchet mechanism, swivel nut and threaded rod do one-directional rotation.
And when this ratchet spanner is applied on reciprocating compressor, ratchet spanner directly can be sleeved on there is external thread section piston rod and threaded rod on, make use of piston rod from external thread section with it, do not need to set up plate again and twist portion or external thread section, the installation or removal of piston rod and crosshead can be realized easily and efficiently, easy to use.
Further, the axially spaced-apart along interior swivel nut is distributed with two cover ratchet mechanisms, and the rotation direction in the ratchet portion of Liang Tao mechanism is contrary, can realize rotating in the two directions by selecting different ratchet mechanisms like this to realize interior swivel nut with threaded rod.When being applied on reciprocating compressor by this ratchet spanner, just in time correspondence and the installation and removal of piston rod, use more for convenience.
Further, two cover ratchet mechanisms share a ratchet portion, like this by axially moving this ratchet portion shared at interior swivel nut, it is optionally made to coordinate to the corresponding ratchet of ratchet mechanism to be selected, thus ratchet spanner can be realized with threaded rod rotation in the two directions, with the corresponding installation and removal with reciprocating compressor.
Further, by arranging column in department of assembly, and the mobile guide of column is limited by long guiding hole, the selection of column is limited by two locating holes, effectively can ensure the ratchet portion corresponding matching of ratchet portion and selected ratchet mechanism like this,, improve the rotation security of ratchet spanner, reduce the generation of contingency.
Further, operating grip can be loaded in the endoporus of mounting cylinder according to selection, be convenient to drive installation cylinder like this and rotate.And time in endoporus jackscrew being loaded mounting cylinder, interior swivel nut and outer wheel case can be fixed and assemble, now, when interior swivel nut and threaded rod together assemble, whole ratchet spanner is just fixed on threaded rod.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the fixed ratchet spanner of piston rod provided by the utility model;
Fig. 2 is the decomposition texture schematic diagram of ratchet spanner shown in Fig. 1;
Fig. 3 is the structural representation of Fig. 1 China and foreign countries wheel case;
Fig. 4 is the structural representation of the outer wheel case being provided with column;
Fig. 5 is the piston rod of reciprocating compressor provided by the utility model and the structural representation (in figure, ratchet spanner does not show) of crosshead coupling part.
Detailed description of the invention
As shown in Figures 1 to 4, the embodiment of the fixed ratchet spanner of a kind of piston rod, ratchet spanner 15 in this embodiment comprises the department of assembly for being assemblied on threaded rod, this department of assembly comprises outer wheel case 5, the rotation efferent be rotatably equipped with for driving threaded rod to rotate coaxial in the endoporus of outer wheel case 5, this rotation efferent is for being sleeved on swivel nut 1 on threaded rod, interior swivel nut 1 and outer wheel case 5 are at interior swivel nut axially orientation assemble, specifically, peripheral flange 12 is provided with in one end of interior swivel nut 1, the outer peripheral face of the other end is then provided with jump-ring slot 4, when interior swivel nut 1 is inserted after in external thread sleeve 5, corresponding setting-in jump ring 9 in jump-ring slot 4, jump ring 9 and peripheral flange 12 coordinate the interior swivel nut 1 of realization and outer wheel case 5 at interior swivel nut orientation assemble axially.Interior swivel nut 1 has the screwed hole for being connected to make interior swivel nut synchronously rotate with threaded rod with the external thread section screw-tightened on threaded rod, this department of assembly is also provided with the ratchet mechanism that two covers distribute along the axially spaced-apart of interior swivel nut, two cover ratchet mechanisms are respectively the first ratchet mechanism and the second ratchet mechanism, ratchet spanner also comprises the drive division optionally being done unidirectional intermittent rotary by the first ratchet mechanism and the described interior swivel nut 1 of the second ratchet mechanism driving, this drive division is the mounting cylinder 10 being installed on described outer wheel case outer peripheral face and extending along outer wheel case radial direction, mounting cylinder 10 have for instrumentation operations handle with drive installation cylinder rotate or plug-in mounting jackscrew 11 interior swivel nut and outer wheel case to be fixed the endoporus of assembling, the end of jackscrew 11 is circular arc termination 18, be stuck in for bias top in the corresponding recesses of interior swivel nut 1.
In the present embodiment, the ratchet portion be coaxially installed on interior swivel nut in first ratchet mechanism is arranged on the first ratchet portion 2 on interior swivel nut 1 outer peripheral face, the ratchet portion be coaxially installed on interior swivel nut in second ratchet mechanism is arranged on the second ratchet portion 2 on interior swivel nut 1 outer peripheral face, the rotation direction that in the driving of two ratchet portions in interior swivel nut circumference, swivel nut 1 rotates is contrary, and two ratchet mechanisms share a ratchet portion 17, this ratchet portion 17 shared is assemblied in described outer wheel case 5 along the axially movable of interior swivel nut, this ratchet portion 17 in interior swivel nut circumference with mounting cylinder 10 synchronous axial system, when ratchet portion 17 axially moves optionally to coordinate with the first selected ratchet portion or the second ratchet portion at interior swivel nut, ratchet portion 17 is driven to do reciprocating rotation in interior swivel nut 1 circumference by mounting cylinder 10, thus swivel nut does unidirectional intermittent rotary in can being driven by selected ratchet portion.
In the present embodiment, the outer peripheral face of interior swivel nut 1 is distributed with two grooves along interior swivel nut axially spaced-apart, boss is convexly equipped with in not described two grooves of ratchet portions of two ratchet mechanisms, one of them side in the two sides of boss in two grooves in the circumference of interior swivel nut is inclined-plane, and the incline direction on the inclined-plane on the boss in two grooves is just in time contrary contrary to ensure the rotation direction that two ratchet portions drive interior swivel nut 1 to rotate.
In the present embodiment, outer wheel case 5 has rotates with interior swivel nut 5 endoporus assembled, the hole wall of endoporus is distributed with two locating holes 100 along interior swivel nut axially spaced-apart, two locating holes 100 and described two overlap two ratchet portion one_to_one corresponding of ratchet mechanism, the outer peripheral face of wheel case is outside installed with erecting bed 13, erecting bed 13 is provided with along the axially extended long guiding hole 14 of interior swivel nut, in long guiding hole 14, guiding movement is equipped with and optionally locates the column 6 of inserting with two locating holes 100, the ratchet portion 17 shared is installed in the end towards interior swivel nut of column 6, column 6 is set with and applies to force column to move the top pressure spring 7 that described shared ratchet portion is coordinated with corresponding ratchet towards interior swivel nut to column 6, the top, one end of the close interior swivel nut 1 of top pressure spring 7 is pressed on lower spring cup 8, top, one end away from interior swivel nut 1 is pressed in upper spring seat, lower spring cup and column 6 are fixed and are assembled, upper spring seat is then installed on erecting bed 13.
During use, by interior swivel nut 1 spinning on threaded rod to be driven, rotation direction is treated according to threaded rod, mobile column 6, make the ratchet portion 17 of column 6 end and corresponding ratchet portion corresponding matching, then instrumentation operations handle in the endoporus of mounting cylinder 10, by driving operating grip reciprocating rotation, namely in driving by corresponding ratchet mechanism, swivel nut rotates towards corresponding rotation direction with threaded rod, and when needing to rotate in the opposite direction, only need mobile column to another locating hole inserting, now, 17, ratchet portion and another ratchet portion corresponding matching of column 6 end, rotating operation handle, threaded rod can be driven to rotate towards another direction.
In above-described embodiment, ratchet spanner is arranged two cover ratchet mechanisms to meet threaded rod rotation in the opposite direction, and when tightly needing threaded rod to rotate towards single direction, single ratchet mechanism can be only set on ratchet spanner, ratchet mechanism can adopt the structure in above-described embodiment, also can adopt the conventional ratchet mechanism of ratchet spanner of the prior art.
In above-described embodiment, two cover ratchet mechanisms on ratchet spanner share a ratchet portion, are convenient to so then select ratchet mechanism work by mobile column, thus can select the driving direction of interior swivel nut.In other embodiments, two cover ratchet mechanisms also can be separate, and the driving direction in the ratchet portion of two cover ratchet mechanisms is contrary, now, and can driving direction as required, and make the ratchet mechanism work that needs, and another ratchet mechanism is not worked.
As shown in Figure 5, the utility model also provides a kind of reciprocating compressor using ratchet spanner, this reciprocating compressor comprises crosshead 19 and piston rod 21, external thread section is provided with in one end of piston rod 21, like this, piston rod 21 is threaded rod, during assembling, ratchet spanner is sleeved on the external thread section of threaded rod, the structure of ratchet spanner is identical with the structure of ratchet spanner in above-described embodiment 15, do not repeat them here, and the thrust position limiting structure of thrust surface towards interior swivel nut is installed with in the side away from crosshead 19 of described interior swivel nut on threaded rod, this thrust position limiting structure is thrust block 22, the side towards crosshead that threaded rod overlaps in described inland is installed with locking nut 20.During installation, need first piston rod 21 and crosshead 19 to be thrown off, ratchet spanner be sleeved on piston rod 21, an end face of interior swivel nut 1 towards thrust block 22, another is facing to locking nut 20.
In use, will the first external thread section of piston rod 21 and the thread connection of crosshead 19, by locking nut 20, interior swivel nut 1 is locked, interior swivel nut 1 is fixedly mounted on the external thread section of piston rod by locking nut 20 and thrust block 22, operating grip is inserted in mounting cylinder 10, be advisable not contact interior swivel nut 1, mobile column 6 enters in corresponding locating hole, now, ratchet portion 17 and corresponding ratchet portion corresponding matching, operating grip is up and down reciprocatingly pulled, along with pulling up and down continuously of operating grip, interior swivel nut 1 and piston rod can be driven to rotate towards predetermined direction by corresponding ratchet mechanism, the external thread section realizing piston rod 21 is connected with the quick of crosshead 19.When external thread section enters crosshead 19 to suitable position, after tightening retaining nuts 20, from mounting cylinder 10, exit operating grip, tighten jackscrew 11.Now, ratchet spanner 15 and locking nut 20 are equivalent to two nuts repeating to lock, and there will not be different sound in equipment back and forth runs.And when compressor normally works, ratchet spanner is coordinated with piston rod thread by screwed hole, the effect of the bonding strength continued between fastening piston rod and crosshead can be played.
When overhauling the connection needing the external thread section of throwing off crosshead 19 and piston rod 21, column 6 on mobile ratchet spanner 15 is to suitable groove, pull down jackscrew 11, back and forth pull up and down after spinning operating grip, ratchet spanner 15 is unclamped with the locking state of locking nut 20, after loosening locking nut 20, pull operating grip up and down fast, when ratchet spanner 15 be adjacent to thrust block 22 after the Thrust Faces of crosshead, piston rod will be driven rotation by ratchet spanner 15, so can easily and fast, labour-saving throws off the connection of crosshead 19 and external thread section.
Ratchet spanner in above-mentioned two embodiments is the fixed ratchet spanner in axle position, during use, spinning on the piston rod, connect with crosshead with latching ram bar with locking nut acting in conjunction, the threaded rod that the fixed ratchet wrench structure physical efficiency in this Novel shaft position is common to plurality of devices place in the fields such as refinery is difficult to conveniently fast disassembling and the position be connected in narrow and small structure space, achieve the design of common apparatus partial structurtes and scientific, the hommization of installing, there is larger equipment and should have popularization market prospects.
The installation of ratchet spanner on refining device reciprocating compressor and application, finish the type equipment in relevant maintenance, piston rod is connected with crosshead and throws off process that is time-consuming, bothersome in link, that require great effort, and the structure of ratchet spanner can be common to the places such as all kinds of reciprocating compressor, reciprocating pump.Can be applied to screw mandrel in plant equipment and connect hole depth, local space position is narrow and small, and in overhaul of the equipments, conventional tool dismantles occasion that is time-consuming, bothersome, effort.Its design, installation, application embody that relevant device is scientific, the design of the theory of hommization and application, improve the cost performance of equipment, improve efficiency, reduce labour intensity in the later stage repair and maintenance work of equipment use.
Claims (10)
1. the fixed ratchet spanner of piston rod, comprise the department of assembly for being assemblied on threaded rod, department of assembly is rotatably equipped with the rotation efferent for driving threaded rod to rotate, department of assembly is also provided with ratchet mechanism, ratchet spanner also comprises and drives described rotation efferent to do the drive division of unidirectional intermittent rotary by ratchet mechanism, it is characterized in that: described rotation efferent is for being sleeved on swivel nut on threaded rod, interior swivel nut has the screwed hole for being connected to make interior swivel nut synchronously rotate with threaded rod with the external thread section screw-tightened on threaded rod.
2. the fixed ratchet spanner of piston rod according to claim 1, it is characterized in that: described ratchet mechanism comprises and is coaxially installed in the ratchet portion on efferent that rotates and the ratchet portion with ratchet portion corresponding matching, ratchet portion in interior swivel nut circumference with drive division synchronous axial system, described ratchet mechanism is distributed with two covers along the axially spaced-apart of interior swivel nut, and the rotation direction that in the driving of ratchet portion in interior swivel nut circumference of two cover ratchet mechanisms, swivel nut rotates is contrary.
3. the fixed ratchet spanner of piston rod according to claim 2, is characterized in that: two described cover ratchet mechanisms share a ratchet portion, and shared ratchet portion is along axially movable being assemblied in described department of assembly of interior swivel nut.
4. the fixed ratchet spanner of piston rod according to claim 3, it is characterized in that: described department of assembly has and rotates with interior swivel nut the endoporus assembled, the hole wall of endoporus is distributed with two locating holes along interior swivel nut axially spaced-apart, two locating holes and described two overlap two ratchet portion one_to_one corresponding of ratchet mechanism, department of assembly is provided with the axially extended long guiding hole of interior swivel nut, in long guiding hole, guiding movement is equipped with and optionally locates the column of inserting with two locating holes, described shared ratchet portion is installed on column, described column is set with and applies to force column to move the top pressure spring that described shared ratchet portion is coordinated with corresponding ratchet towards interior swivel nut to column.
5. the fixed ratchet spanner of piston rod as claimed in any of claims 1 to 4, it is characterized in that: described department of assembly comprises and rotates the outer wheel case of assembling with described interior swivel nut, interior swivel nut and foreign steamer are enclosed within interior swivel nut axially orientation assemble, described drive division is the mounting cylinder being installed on described outer wheel case outer peripheral face and extending along outer wheel case radial direction, mounting cylinder have to rotate with drive installation cylinder for instrumentation operations handle or plug-in mounting jackscrew interior swivel nut and outer wheel case to be fixed the endoporus of assembling.
6. reciprocating compressor, comprise crosshead and the piston rod with crosshead thread connection, piston rod is the threaded rod with external thread section, threaded rod is equipped with ratchet spanner, ratchet spanner comprises the department of assembly be assemblied on threaded rod, department of assembly is rotatably equipped with the rotation efferent for driving threaded rod to rotate, department of assembly is also provided with ratchet mechanism, ratchet spanner also comprises and drives described rotation efferent to do the drive division of unidirectional intermittent rotary by ratchet mechanism, it is characterized in that: described rotation efferent is for being sleeved on swivel nut on threaded rod, interior swivel nut has the screwed hole for being connected to make interior swivel nut synchronously rotate with threaded rod with the external thread section screw-tightened on threaded rod.
7. reciprocating compressor according to claim 6, it is characterized in that: described ratchet mechanism comprises and is coaxially installed in the ratchet portion on efferent that rotates and the ratchet portion with ratchet portion corresponding matching, ratchet portion in interior swivel nut circumference with drive division synchronous axial system, described ratchet mechanism is distributed with two covers along the axially spaced-apart of interior swivel nut, the rotation direction that in the driving of ratchet portion in interior swivel nut circumference of two cover ratchet mechanisms, swivel nut rotates is contrary, described threaded rod is installed with the thrust position limiting structure of thrust surface towards interior swivel nut in the side away from crosshead of described interior swivel nut, described threaded rod is installed with locking nut in the side towards crosshead of described interior swivel nut.
8. reciprocating compressor according to claim 7, is characterized in that: two described cover ratchet mechanisms share a ratchet portion, and shared ratchet portion is along axially movable being assemblied in described department of assembly of interior swivel nut.
9. reciprocating compressor according to claim 8, it is characterized in that: described department of assembly has and rotates with interior swivel nut the endoporus assembled, the hole wall of endoporus is distributed with two locating holes along interior swivel nut axially spaced-apart, two locating holes and described two overlap two ratchet portion one_to_one corresponding of ratchet mechanism, department of assembly is provided with the axially extended long guiding hole of interior swivel nut, in long guiding hole, guiding movement is equipped with and optionally locates the column of inserting with two locating holes, described shared ratchet portion is installed on column, described column is set with and applies to force column to move the top pressure spring that described shared ratchet portion is coordinated with corresponding ratchet towards interior swivel nut to column.
10. according to the reciprocating compressor in claim 6 to 9 described in any one, it is characterized in that: described department of assembly rotates the outer wheel case of assembling with described interior swivel nut, interior swivel nut and foreign steamer are enclosed within interior swivel nut axially orientation assemble, described drive division is the mounting cylinder being installed on described outer wheel case outer peripheral face and extending along outer wheel case radial direction, mounting cylinder have to rotate with drive installation cylinder for instrumentation operations handle or plug-in mounting jackscrew interior swivel nut and outer wheel case to be fixed the endoporus of assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381347.5U CN204819289U (en) | 2015-06-04 | 2015-06-04 | Fixed ratchet spanner of piston rod and use reciprocating compressor of this spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381347.5U CN204819289U (en) | 2015-06-04 | 2015-06-04 | Fixed ratchet spanner of piston rod and use reciprocating compressor of this spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204819289U true CN204819289U (en) | 2015-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520381347.5U Active CN204819289U (en) | 2015-06-04 | 2015-06-04 | Fixed ratchet spanner of piston rod and use reciprocating compressor of this spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204819289U (en) |
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2015
- 2015-06-04 CN CN201520381347.5U patent/CN204819289U/en active Active
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