CN202770576U - Steel-wire-rope tensioning detection device and engineering machinery - Google Patents
Steel-wire-rope tensioning detection device and engineering machinery Download PDFInfo
- Publication number
- CN202770576U CN202770576U CN 201220374995 CN201220374995U CN202770576U CN 202770576 U CN202770576 U CN 202770576U CN 201220374995 CN201220374995 CN 201220374995 CN 201220374995 U CN201220374995 U CN 201220374995U CN 202770576 U CN202770576 U CN 202770576U
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- slide bar
- bar section
- pick
- steel wire
- rope
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Abstract
The utility model provides a steel-wire-rope tensioning detection device and a piece of engineering machinery. The steel-wire-rope tensioning detection device of the utility model comprises a slide carriage on a cantilever crane, wherein a slideway is formed on the slide carriage; a wire retaining rod, comprising a slide rod portion and a retaining rod portion which is pressed against and contacted with a steel wire rope, wherein the slide rod portion and the slideway are in sliding fit; an elastic element, which has a first end in connection with the wire retaining rod and a second end in connection with the slide carriage and is in a tensioned or contracted state when the steel wire rope is pressed against and contacted with the retaining rod portion; and a position detection unit, which is used to detect the sliding position of the slide rod portion and to send out, to a steel wire rope winding system, a signal of stopping the wire from stretching out when the slide rod portion is detected to move to a preset position. The steel-wire-rope tensioning detection device of the utility model has the advantages of simple structure, easy installation and low cost. The engineering machinery of the utility model is equipped with the steel-wire-rope tensioning detection device.
Description
Technical field
The utility model relates to engineering machinery field, more specifically, relates to a kind of steel wire tensioning pick-up unit and engineering machinery.
Background technology
At present, carry out the engineering machinery (for example being wheel crane) of lifting operation by being installed in wire rope on the jib in the course of the work, normal owing to the disorder cable phenomenon appears in steel wire tensioning power not, cause lifting operation effectively not carry out.And in the prior art for detection of the steel wire tensioning state in case the device of disorder cable exists complex structure, shortcoming that cost is high.
The utility model content
The utility model be intended to propose a kind of simple in structure, be easy to install and steel wire tensioning pick-up unit that cost is low.The utility model has also proposed a kind of engineering machinery.
An aspect, the utility model provide a kind of steel wire tensioning pick-up unit, comprising: be used for being installed in the slide on the jib, be formed with slideway on the slide; Gear rope bar comprises that slide bar section compresses the pin section that contacts with being used for wire rope, and slide bar section and slideway are slidingly matched; Flexible member, its first end is connected with gear rope bar, and the second end is connected with slide; When wire rope and pin section compress when contacting, flexible member is in extended state or compressive state; Position detecting device for detection of the shift position of slide bar section, and when it detects slide bar section and moves to predeterminated position, sends to wire rope elevator system and to stop the rope stretching signal.
Further, pin section is positioned at an end of slide bar section, and pin section and slide bar section are perpendicular.
Further, pin section comprises mandrel and the cylinder that is installed on the mandrel, and mandrel is connected with slide bar section.
Further, cylinder is the colloid cylinder.
Further, flexible member is spring; The first end of spring is connected with slide bar section, and the second end is connected with slide.
Further, position detecting device is travel switch, and travel switch is mounted on the jib, is equipped with for the triggering part that triggers travel switch in slide bar section; Or position detecting device is approach switch, and approach switch is mounted on the jib, is equipped be used to the activating member that excites approach switch in slide bar section.
Further, slide comprises: sleeve part, and the endoporus of sleeve part forms slideway, and slide bar section is passed from slideway; Cradle portion is connected with jib; Sleeve part is supported by cradle portion.
Further, slide bar section comprises the first that passes the sleeve part first end, and passes the second portion of sleeve part the second end; The first end of spring and pin section all are connected with the first of slide bar section; The second end of spring is connected with cradle portion.
Further, triggering part or activating member is installed on the second portion of slide bar section.
Another aspect, the utility model provide a kind of engineering machinery, comprise vehicle frame and the jib that is installed on the vehicle frame, and this project machinery also is provided with above-mentioned steel wire tensioning pick-up unit.
According to steel wire tensioning pick-up unit of the present utility model, when being in tensioning and the state of disorder cable can not occuring because of wire rope, wire rope compresses with pin section and contacts, corresponding to extended state or the compressive state of flexible member; When wire rope is in than relaxed state, flexible member is under the effect of self elastic-restoring force, band moving slide-bar section slides along slideway, until slide bar section is when moving to a certain predeterminated position, illustrate that wire rope is quite lax, the risk that has disorder cable, position detecting device detects slide bar section and moves to this predeterminated position at this moment, position detecting device sends to wire rope elevator system and stops the rope stretching signal, so that wire rope elevator system no longer continues rope stretching, just can effectively avoid because of the too lax disorder cable phenomenon that occurs of wire rope, thereby provide a kind of simple in structure, be easy to install and steel wire tensioning pick-up unit that cost is low.
In addition, stop the rope stretching signal when position detecting device sends, wire rope elevator system no longer continues after the rope stretching, and operating personnel can do the rope closing action by control wire rope elevator system, make wire rope recover tensioning, thereby effectively improved the lifting efficient of engineering machinery.
Description of drawings
The accompanying drawing that consists of a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the structure of steel wire tensioning pick-up unit the first preferred embodiment of the present utility model, wherein triggers part away from travel switch;
Fig. 2 has schematically shown the structure of steel wire tensioning pick-up unit the first preferred embodiment of the present utility model, wherein triggers part touching travel switch; And,
Fig. 3 has schematically shown the structure of steel wire tensioning pick-up unit the second preferred embodiment of the present utility model.
Embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Referring to Fig. 1 and Fig. 2, show the first preferred embodiment of the steel wire tensioning pick-up unit that the utility model provides.As shown in the figure, this steel wire tensioning pick-up unit comprises at least: slide 3, gear rope bar 4, flexible member 5 and position detecting device.
The first end of flexible member 5 is connected with gear rope bar 4, and the second end of flexible member 5 is connected with slide 3.By this flexible member 5 is set, when wire rope 2 and pin section 42 compress when contacting, wire rope 2 with certain tensioning can be to gear rope bar 4 application of forces, the slide bar section 41 of drive gear rope bar 4 overcomes the elastic force of flexible member 5 and slides to first direction (direction shown in the arrow A 1), make flexible member 5 be in extended state or compressive state (easily understanding, the tensile force of wire rope 2 is larger, and the deformation of flexible member 5 is larger); When wire rope 2 is lax, when the power that 2 pairs of gear ropes of wire rope bar 4 applies can not resist flexible member 5 self restoring force, 41 in slide bar section can (direction shown in the arrow A 2) slide along slideway to second direction, and second direction is opposite with above-mentioned first direction.Show in the present embodiment the preferred implementation of flexible member 5, by finding out among Fig. 1, flexible member 5 adopts spring, and the first end of spring is connected with the first of slide bar section 41 particularly, and the second end of spring is connected with the cradle portion 32 of slide 3 particularly.Because the first end of present embodiment medi-spring all is connected with the first of slide bar section 41 with pin section 42, therefore when wire rope 2 tensioning, spring is in extended state.Obviously, in a kind of unshowned mode, if pin section 42 is connected with the first of slide bar section 41, and the first end of spring is connected with the second portion of slide bar section 41, and then when wire rope 2 tensioning, spring then is in compressive state.
Position detecting device is installed on the jib 1 shift position for detection of slide bar section 41 in the present embodiment, and when it detects slide bar section 41 and moves to predeterminated position, sends to wire rope elevator system to stop the rope stretching signal.Understand easily, when wire rope 2 tensionings can disorder cable not occur, position detecting device did not need to send signal; When wire rope 2 not comparatively lax because of tensile force, when its power that gear rope bar 4 is applied is not enough to resist self restoring force of flexible member 5,41 in slide bar section slides to second direction under the elastic-restoring force effect, until slide bar section 41 is when moving to above-mentioned predeterminated position, illustrate that wire rope 2 is quite lax, have the risk of disorder cable.Therefore when position detecting device detects slide bar section 41 and moves to predeterminated position, namely send to wire rope elevator system and stop the rope stretching signal, so that wire rope elevator system no longer continues rope stretching, just can effectively avoid because of the too lax disorder cable phenomenon that occurs of wire rope 2.
Referring to Fig. 1 and Fig. 2, also show a kind of preferred implementation of position detecting device in the present embodiment, as shown in the figure, this position detecting device is travel switch 6, travel switch 6 is mounted on the jib 1.Be equipped with in slide bar section 41 and trigger part 7, trigger part 7 and be used for triggering travel switch 6, when triggering part 7 and trigger travel switch 6, travel switch 6 namely sends the above-mentioned rope stretching signal that stops.Particularly, when wire rope 2 tensionings can disorder cable not occur, trigger part 7 away from travel switch 6, this moment, rope stretching or the rope closing action of wire rope elevator system can freely be controlled by the pilothouse joystick; When wire rope 2 is comparatively lax, trigger part 7 along with slide bar section 41 moves to the direction near travel switch 6, until slide bar section 41 is when moving to predeterminated position, trigger part 7 and just in time touch travel switch 6, travel switch 6 namely sends signal (namely stopping the rope stretching signal) to wire rope elevator system, wire rope elevator system namely no longer continues rope stretching to prevent disorder cable after receiving the signal that travel switch 6 sends, this moment, joystick can only be controlled wire rope elevator system's rope closing and can not rope stretching, until behind wire rope 2 re-tensionings, trigger part 7 and leave travel switch 6, the rope stretching of wire rope elevator system and rope closing action can freely be controlled by joystick again.
Preferably, by it can also be seen that among the figure, trigger part 7 in this enforcement and be installed on the second portion of slide bar section 41, trigger particularly the end that part 7 is arranged on slide bar section 41 second portions, the installation site of be convenient to like this to arrange spring, triggering part 7 and travel switch 6.
In a kind of unshowned mode, position detecting device can also be approach switch, and approach switch is mounted on the jib 1.In slide bar section 41 activating member is installed, activating member is used for exciting approach switch.The setting position of approach switch can be identical with the setting position of travel switch 6, the setting position of activating member can with the setting position identical (activating member is installed on the second portion of slide bar section 41) that triggers part 7, when slide bar section 41 moves to predeterminated position, approach switch is sensed activating member, and then approach switch sends to wire rope elevator system and stops the rope stretching signal.
Need to prove that slide 3 can also have numerous embodiments, be not limited to the unitized construction of above-mentioned sleeve part 31 and cradle portion 32, as long as slide 3 is formed with the slideway that is slidingly matched with slide bar section 41.In addition, flexible member 5 also can substitute with other elastic components except spring.In addition, in a kind of unshowned mode, the first end of spring can also all be connected with first or the second portion of slide bar section 41 with triggering part 7; Perhaps, be installed in the first of slide bar section 41 triggering part 7, the first end of spring is connected with the second portion of slide bar section 41.
Fig. 3 shows the second preferred embodiment of the steel wire tensioning pick-up unit that the utility model provides, be with the difference of above-mentioned the first preferred embodiment: pin section 42 comprises mandrel 421 and cylinder 422 further, mandrel 421 is connected with slide bar section 41, cylinder 422 is installed on the mandrel 421, like this, wire rope 2 is in the withdrawing rope process, and the friction force between the pin section 42 is force of sliding friction, can reduce the loss that causes because of friction.
Preferably, cylinder 422 adopts the colloid cylinders, and the colloid cylinder is reducing between wire rope 2 and the pin section 42 can also reduce the overall weight of steel wire tensioning pick-up unit, and the colloidal materials cost to be more cheap in the friction force.
In sum, the steel wire tensioning pick-up unit that the utility model provides has following advantage:
1) simple in structure, be easy to install, be not easy to break down, and with low cost;
2) in engineering machine in working process, tensioning state that can the Real-Time Monitoring wire rope, be not subjected to simultaneously the normal impact that swings of steel wire, the convenient operation personnel effectively prevent the disorder cable phenomenon that causes not because of the wire rope tensile force according to the rope stretching action that the tensioning state of wire rope stops or recovering wire rope elevator system.
The utility model also provides a kind of engineering machinery, comprises vehicle frame and the jib that is installed on the vehicle frame, and this project machinery also is provided with above-mentioned steel wire tensioning pick-up unit.This project machinery comprises crane.Because above-mentioned steel wire tensioning pick-up unit has above-mentioned technique effect, the engineering machinery with this steel wire tensioning pick-up unit also should have corresponding technique effect, introduces no longer in detail at this.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a steel wire tensioning pick-up unit is characterized in that, comprising:
Be used for being installed in the slide (3) on the jib (1), described slide is formed with slideway on (3);
Gear rope bar (4) comprises that slide bar section (41) compresses the pin section (42) that contacts with being used for wire rope (2), and described slide bar section (41) is slidingly matched with described slideway;
Flexible member (5), its first end is connected with described gear rope bar (4), and the second end is connected with described slide (3); When described wire rope (2) and described pin section (42) compress when contacting, described flexible member (5) is in extended state or compressive state;
Position detecting device for detection of the shift position of described slide bar section (41), and detects described slide bar section (41) when moving to predeterminated position at it, sends to wire rope elevator system to stop the rope stretching signal.
2. steel wire tensioning pick-up unit according to claim 1 is characterized in that, described pin section (42) is positioned at an end of described slide bar section (41), and described pin section (42) and described slide bar section (41) are perpendicular.
3. steel wire tensioning pick-up unit according to claim 2, it is characterized in that, described pin section (42) comprises mandrel (421) and is installed in cylinder (422) on the described mandrel (421) that described mandrel (421) is connected with described slide bar section (41).
4. steel wire tensioning pick-up unit according to claim 3 is characterized in that, described cylinder (422) is the colloid cylinder.
5. each described steel wire tensioning pick-up unit in 4 according to claim 1 is characterized in that described flexible member (5) is spring; The first end of described spring is connected with described slide bar section (41), and the second end is connected with described slide (3).
6. steel wire tensioning pick-up unit according to claim 5 is characterized in that,
Described position detecting device is travel switch (6), and described travel switch (6) is mounted on the described jib (1), is equipped be used to the triggering part (7) that triggers described travel switch (6) in described slide bar section (41);
Or described position detecting device is approach switch, and described approach switch is mounted on the described jib (1), is equipped be used to the activating member that excites described approach switch in described slide bar section (41).
7. steel wire tensioning pick-up unit according to claim 6 is characterized in that, described slide (3) comprising:
Sleeve part (31), the endoporus of described sleeve part (31) forms described slideway, and described slide bar section (41) is passed from described slideway;
Cradle portion (32) is connected with described jib (1); Described sleeve part (31) is supported by described cradle portion (32).
8. steel wire tensioning pick-up unit according to claim 7 is characterized in that,
Described slide bar section (41) comprises the first that passes described sleeve part (31) first end, and passes the second portion of described sleeve part (31) second ends;
The first end of described spring be connected pin section (42) and all be connected with the first of described slide bar section (41); The second end of described spring is connected with described cradle portion (32).
9. steel wire tensioning pick-up unit according to claim 8 is characterized in that, described triggering part (7) or described activating member are installed on the second portion of described slide bar section (41).
10. an engineering machinery comprises vehicle frame and the jib that is installed on the described vehicle frame, it is characterized in that this project machinery also is provided with each described steel wire tensioning pick-up unit in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220374995 CN202770576U (en) | 2012-07-30 | 2012-07-30 | Steel-wire-rope tensioning detection device and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220374995 CN202770576U (en) | 2012-07-30 | 2012-07-30 | Steel-wire-rope tensioning detection device and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202770576U true CN202770576U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220374995 Expired - Fee Related CN202770576U (en) | 2012-07-30 | 2012-07-30 | Steel-wire-rope tensioning detection device and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202770576U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359644A (en) * | 2013-07-29 | 2013-10-23 | 华南农业大学 | Automatic rope arrangement winch for steel wire rope traction type cargo transport machine |
| CN106525310A (en) * | 2016-11-12 | 2017-03-22 | 山西江淮重工有限责任公司 | Device and method for precisely measuring sliding friction force between sleeves |
| CN107021427A (en) * | 2016-06-18 | 2017-08-08 | 上海西派埃自动化仪表工程有限责任公司 | A kind of servo-actuated feedback arrangement of rope, method and its application |
| CN109724739A (en) * | 2019-01-24 | 2019-05-07 | 中国人民解放军国防科技大学 | Rope net buffer force testing device and measuring method |
-
2012
- 2012-07-30 CN CN 201220374995 patent/CN202770576U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359644A (en) * | 2013-07-29 | 2013-10-23 | 华南农业大学 | Automatic rope arrangement winch for steel wire rope traction type cargo transport machine |
| CN103359644B (en) * | 2013-07-29 | 2015-12-23 | 华南农业大学 | A kind of Automatic rope arrangement winch for steel wire rope traction type cargo transport machine |
| CN107021427A (en) * | 2016-06-18 | 2017-08-08 | 上海西派埃自动化仪表工程有限责任公司 | A kind of servo-actuated feedback arrangement of rope, method and its application |
| CN107021427B (en) * | 2016-06-18 | 2023-07-25 | 上海西派埃自动化仪表工程有限责任公司 | Rope follow-up feedback structure, method and application thereof |
| CN106525310A (en) * | 2016-11-12 | 2017-03-22 | 山西江淮重工有限责任公司 | Device and method for precisely measuring sliding friction force between sleeves |
| CN109724739A (en) * | 2019-01-24 | 2019-05-07 | 中国人民解放军国防科技大学 | Rope net buffer force testing device and measuring method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20180730 |
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| CF01 | Termination of patent right due to non-payment of annual fee |