CN214741407U

CN214741407U - W steel band straining device

Info

Publication number: CN214741407U
Application number: CN202120503807.2U
Authority: CN
Inventors: 李树鹏; 周士磊; 刘磊磊
Original assignee: Huadian Yulin Coal Engineering Technology Co ltd
Current assignee: Huadian Yulin Coal Engineering Technology Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-11-16
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses a W steel band straining device, it includes crossbeam, ejector pin, clamp plate and anchor clamps install the one end bottom of crossbeam anchor clamps the slip of crossbeam is equipped with vertical setting the clamp plate the other end bottom of crossbeam be provided with the clamp plate to anchor clamps promote the ejector pin. The advantages are that: through the cooperation of anchor clamps, clamp plate and ejector pin, can promote W steel band to tunnel group portion, simple structure, it is with low costs, convenient to use, and the distance is easily controlled, compare the operating accuracy height with using the main equipment, can effectively guarantee to strut intensity.

Description

W steel band straining device

The technical field is as follows:

the utility model relates to a tunnel support technical field, specifically speaking relate to a W steel band straining device.

Background art:

the W steel belt is a supporting material commonly used for coal mines, and can be used together with the anchor cable to enable roadway surrounding rock to form an effective whole, so that the supporting strength and effect are improved. During construction, the distance between the W steel belt and the roadway side part is within a set distance, the tray and the lockset can be installed, the supporting requirement is met, and otherwise, the supporting strength is reduced; however, the distance between the W steel belt and the roadway wall part is inconsistent due to uneven rib forming of the roadway wall parts, when the distance is large, the W steel belt needs to be bent towards the roadway wall parts, the hardness of the steel belt is large, the steel belt is difficult to push close to the roadway wall parts to reach the position where a tray and a lock can be installed only by manpower, in actual installation, the anchor cable in the concave part of the roadway can only be exposed for overlong length to be arranged or a bent steel belt such as a loader, an anchor rod machine and the like is used, the use is inconvenient, the operation precision is not easy to control, the problem that the support strength is reduced because the arrangement depth of the anchor cable cannot reach the designed position, or other machines are used to increase the construction cost is caused, and manpower and material resources are wasted.

The utility model has the following contents:

an object of the utility model is to provide a convenient to use's W steel band straining device.

The utility model discloses by following technical scheme implement: the W steel band tensioning device comprises a cross beam, a push rod, a pressing plate and a clamp, wherein the clamp is installed at the bottom of one end of the cross beam, the pressing plate is vertically arranged below the cross beam in a sliding mode, and the push rod which pushes the pressing plate to the clamp is arranged at the bottom of the other end of the cross beam.

Furthermore, a fixing frame is fixed at the bottom of the other end of the cross beam, the middle of the ejector rod is in threaded connection with the fixing frame, and one end of the ejector rod is rotatably connected with the pressing plate.

Further, a handle is fixed at the other end of the ejector rod.

Furthermore, one end of the ejector rod is fixedly connected with the pressing plate, and the other end of the ejector rod is fixed with the other end of the cross beam through an automatic telescopic rod.

Furthermore, the outside sliding sleeve of crossbeam is equipped with the sliding sleeve, the clamp plate with sliding sleeve fixed connection.

Further, the clamp comprises a fixed shaft, a nut and two clamping plates, the clamping plates comprise clamping plate main bodies, through holes are formed in the upper portions of the clamping plate main bodies, strip-shaped clamping grooves are formed in one sides of the clamping plate main bodies, one end of the fixed shaft is fixed with one end of the cross beam, the clamping plates are rotatably sleeved outside the fixed shaft through the through holes, and the clamping grooves of the two clamping plates are arranged oppositely; the other end of the fixed shaft is in threaded connection with the nut, and the nut is in movable contact with the adjacent clamping plate.

Furthermore, a handle is fixed on the side wall at the other end of the cross beam.

Furthermore, an arc-shaped notch is formed in the middle of the bottom end of the pressing plate.

The utility model has the advantages that: through the cooperation of anchor clamps, clamp plate and ejector pin, can promote W steel band to tunnel group portion, simple structure, it is with low costs, convenient to use, and the distance is easily controlled, compare the operating accuracy height with using the main equipment, can effectively guarantee to strut intensity.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is another schematic structural diagram of the present invention.

Fig. 3 is a sectional view a-a of fig. 2.

Fig. 4 is a schematic structural view of the jig.

Fig. 5 is a reference diagram for use of another structure of the present invention.

The device comprises a cross beam 1, a top rod 2, a pressing plate 3, a clamp 4, a fixed shaft 41, a nut 42, a clamping plate 43, a clamping plate main body 431, a through hole 432, a clamping groove 433, a fixed frame 5, a handle 6, an automatic telescopic rod 7, a sliding sleeve 8, a handle 9, a notch 10 and a suspension frame 11.

The specific implementation mode is as follows:

in the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 5, the W steel belt tensioning device includes a cross beam 1, a top rod 2, a pressure plate 3 and a clamp 4, wherein the clamp 4 is installed at the bottom of one end of the cross beam 1, the clamp 4 is used for clamping an anchor rod between the W steel belt and a roadway side wall, and a general clamping structure can be selected, or as shown in this embodiment, the clamp 4 includes a fixed shaft 41, a nut 42 and two clamping plates 43, each clamping plate 43 includes a clamping plate main body 431, a through hole 432 is formed in the upper portion of the clamping plate main body 431, a strip-shaped clamping groove 433 is formed in one side of the clamping plate main body 431, and the clamping groove 433 is used for accommodating the anchor rod; one end of the fixed shaft 41 is fixed with one end of the cross beam 1, the fixed shaft 41 is fixedly connected with the cross beam 1 through the suspension bracket 11, and the clamping plate 43 is rotatably sleeved outside the fixed shaft 41 through the through hole 432 to realize the rotary connection between the clamping plate 43 and the fixed shaft 41; the clamping grooves 433 of the two clamping plates 43 are oppositely arranged; a nut 42 is screwed at the other end of the fixed shaft 41, and the nut 42 is movably contacted with an adjacent clamping plate 43; after the two clamping plates 43 are separated, the clamping grooves 433 can be clamped outside the anchor rod, and the two clamping plates 43 can be tightly pressed by screwing the nuts 42;

a vertically arranged pressing plate 3 is slidably arranged below the cross beam 1, and the pressing plate 3 and the cross beam 1 can be in sliding connection through the matching of a sliding block and a sliding rail, or as shown in the embodiment, a sliding sleeve 8 is slidably sleeved outside the cross beam 1, the pressing plate 3 is fixedly connected with the sliding sleeve 8, and the pressing plate 3 is in sliding connection with the cross beam 1 through the sliding sleeve 8; an arc-shaped notch 10 is formed in the middle of the bottom end of the pressing plate 3 and clamped on the outer side of the anchor rod; a handle 9 is fixed on the side wall at the other end of the cross beam 1, so that the operation is convenient;

an ejector rod 2 for pushing the pressing plate 3 to the clamp 4 is arranged at the bottom of the other end of the cross beam 1, and the pressing plate 3 is positioned on the outer side of the W steel belt;

as shown in fig. 1, one end of a top rod 2 is fixedly connected with a pressure plate 3, the other end of the top rod 2 is fixed with the other end of a cross beam 1 through an automatic telescopic rod 7, and the automatic telescopic rod 7 is an electric push rod; the push rod 2 is directly controlled by the extension and contraction of the automatic telescopic rod 7 to move the press plate 3.

Or as shown in fig. 2, a fixed mount 5 is fixed at the bottom of the other end of the cross beam 1, the middle part of the ejector rod 2 is in threaded connection with the fixed mount 5, and one end of the ejector rod 2 is rotatably connected with the pressure plate 3; the pressing plate 3 can be pushed inwards to press the W steel belt or the pressing plate 3 can be pulled outwards by rotating or turning the ejector rod 2 forwards; a handle 6 is fixed at the other end of the ejector rod 2, so that the ejector rod can be conveniently rotated;

instructions for use: firstly, the product of the utility model is placed above the W steel band, so that the clamp 4 is positioned between the W steel band and the wall of the roadway, and the pressing plate 3 is positioned outside the W steel band; then, clamping the clamp 4 on the anchor rod below; and finally, pushing the pressing plate 3 to the W steel belt through the ejector rod 2 until the W steel belt is bent to a required distance towards the roadway wall through the pressing plate 3. After finishing, the push rod 2 is rotated reversely to separate the press plate 3 from the W steel band, and the clamp 4 is loosened.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

The W steel band tensioning device is characterized by comprising a cross beam, a push rod, a pressing plate and a clamp, wherein the clamp is installed at the bottom of one end of the cross beam, the pressing plate is vertically arranged below the cross beam in a sliding mode, and the push rod which pushes the pressing plate to the clamp is arranged at the bottom of the other end of the cross beam.
2. The W steel belt tensioning device as claimed in claim 1, wherein a fixed frame is fixed at the bottom of the other end of the cross beam, the middle part of the ejector rod is in threaded connection with the fixed frame, and one end of the ejector rod is rotatably connected with the pressure plate.
3. The W-steel belt tensioner as claimed in claim 2, wherein a handle is fixed to the other end of the ram.
4. The W steel belt tensioning device as claimed in claim 1, wherein one end of the ejector rod is fixedly connected with the pressure plate, and the other end of the ejector rod is fixed with the other end of the cross beam through an automatic telescopic rod.
5. The W steel belt tensioning device as claimed in any one of claims 1 to 4, wherein a sliding sleeve is slidably sleeved outside the cross beam, and the pressing plate is fixedly connected with the sliding sleeve.
6. The W steel belt tensioning device according to any one of claims 1 to 4, wherein the clamp comprises a fixed shaft, a nut and two clamping plates, the clamping plates comprise a clamping plate main body, a through hole is formed in the upper portion of the clamping plate main body, a strip-shaped clamping groove is formed in one side of the clamping plate main body, one end of the fixed shaft is fixed with one end of the cross beam, the clamping plates are rotatably sleeved outside the fixed shaft through the through hole, and the clamping grooves of the two clamping plates are oppositely arranged; the other end of the fixed shaft is in threaded connection with the nut, and the nut is in movable contact with the adjacent clamping plate.
7. The W steel belt tensioning device according to claim 5, wherein the clamp comprises a fixed shaft, a nut and two clamping plates, the clamping plates comprise a clamping plate main body, a through hole is formed in the upper portion of the clamping plate main body, a strip-shaped clamping groove is formed in one side of the clamping plate main body, one end of the fixed shaft is fixed with one end of the cross beam, the clamping plates are rotatably sleeved outside the fixed shaft through the through hole, and the clamping grooves of the two clamping plates are oppositely arranged; the other end of the fixed shaft is in threaded connection with the nut, and the nut is in movable contact with the adjacent clamping plate.
8. The W steel band tightening device according to claim 1, 2, 3, 4 or 7, wherein a handle is fixed to a side wall of the other end of the cross member.
9. The W steel band tightening device according to claim 1, 2, 3, 4 or 7, wherein an arc-shaped notch is provided in the middle of the bottom end of the pressure plate.
10. The W-steel belt tensioning device according to claim 8, wherein an arc-shaped notch is provided in the middle of the bottom end of the pressure plate.