CN214989790U

CN214989790U - Crane tension testing device

Info

Publication number: CN214989790U
Application number: CN202121742269.9U
Authority: CN
Inventors: 梁东毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-12-03
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a hoist pulling force inspection testing arrangement relates to pulling force inspection field. The utility model provides a hoist pulling force inspection testing arrangement, including bottom mounting panel and rope connecting axle, lower margin screw hole has been seted up to bottom mounting panel outer wall four corners department, and bottom mounting panel one side mounting bracket of screw mounting, mounting bracket one side is through connecting screw fixed mounting there is the tip ergograph, tip ergograph one side is connected with the installation end frame, and installation end frame one side welded mounting has the connecting rod, connecting rod opposite side screw connection has integrated form stress transducer, and the numerical display is installed in the integrated form stress transducer outside, integrated form stress transducer one side fixed mounting has the connector, and the welding of the connector outside has the support end frame, the side end board has been seted up to support end frame one side. The utility model provides a traditional tensile testing arrangement measure inaccurately, the jack-up goods is difficult to fixed technical problem.

Description

Crane tension testing device

Technical Field

The utility model relates to a pulling force inspection field especially relates to a hoist pulling force inspection testing arrangement.

Background

The detection of the rope tension of a crane is an important component of the reliability of equipment, the applied load properties are different (such as tension, compression, torsion, impact, cyclic load and the like), and the mechanical properties required by the rope tension are different. The mechanical properties are often said to be mainly: elasticity, plasticity, stiffness, time sensitivity, strength, hardness, impact toughness, fatigue strength, fracture toughness, etc., while tensile measurements reflect tensile strength of the rope well.

According to "a hoist pulling force inspection testing arrangement" that chinese patent grant publication No. CN213397467U provided, the device includes bottom plate, guard plate, observation window and mounting panel, the top installation tensiometer of bottom plate, the outside of tensiometer is equipped with the guard plate, the bottom fixed connection mounting panel of guard plate, the top at the bottom plate is fixed to the mounting panel, the observation window is connected through the mode of inlaying to the outside of guard plate. This kind of hoist pulling force inspection testing arrangement, through the guard plate of having installed at the top of bottom plate, better solution there is the problem of potential safety hazard in the hoist pulling force inspection test process, can utilize the guard plate to come the couple and the rings junction of hoist to block, so even if the couple department when the hoist has appeared collapsing the condition disconnected, the couple also can only be popped to on the guard plate, and can directly not be collapsed and fly out, but there is the coarse problem of equipment pulling force detection, consequently, it solves above-mentioned technical problem to be necessary to provide a hoist pulling force inspection testing arrangement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hoist pulling force inspection testing arrangement has solved traditional pulling force testing arrangement and has measured inaccurately, and the jack-up goods is difficult to fixed technical problem.

In order to solve the technical problems, the utility model provides a crane tension test device, which comprises a bottom mounting plate and a rope connecting shaft, wherein the four corners of the outer wall surface of the bottom mounting plate are provided with foundation threaded holes, a mounting frame is arranged at one side of the bottom mounting plate by screws, one side of the mounting frame is fixedly provided with an end force measurer by the connecting screws, one side of the end force measurer is connected with a mounting end frame, one side of the mounting end frame is welded with a connecting main rod, the other side of the connecting main rod is connected with an integrated stress sensor by screws, a numerical display is arranged at the outer side of the integrated stress sensor, one side of the integrated stress sensor is fixedly provided with a connector, a supporting end frame is welded at the outer side of the connector, one side of the supporting end frame is provided with a side end plate, one side of the side end plate is rotatably provided with a descending speed measuring shaft, the outer side of the descending speed measuring shaft is provided with a driven gear by gear drive belt engagement, and driven gear shaping has solved traditional tension testing arrangement and has measured inaccurately in rope connecting axle one side, and the jack-up goods is difficult to fixed technical problem.

Preferably, the screw mounting plates are installed on two sides of the connecting main rod in a threaded mode, and the connecting main rod can be installed and fixed between the integrated sensor and the end force measuring device.

Preferably, a reinforcing end frame is fixedly mounted on one side of the integrated stress sensor, supporting rods are mounted on two sides of the reinforcing end frame, and the bottom surface of the integrated stress sensor is fixedly mounted on the bottom end mounting seat and can measure the tensile force of the rope.

Preferably, driven gear has been seted up to decline axle one side of testing the speed, decline the axle head of testing the speed and install first shaft coupling installation head, and descend and test the speed and install the support frame board between axle and the driven gear, can realize the rotational speed measurement of rope connecting axle.

Preferably, the end part of the rope connecting shaft is provided with a second coupling mounting head, and the outer side of the rope connecting shaft is provided with a driving gear which can mount and fix a rope.

Preferably, the right-angle frame has been seted up to support end frame one side, and the rope connecting axle is installed to right-angle frame inboard, can realize the rotation installation of rope connecting axle.

Preferably, the external mounting rod is fixedly mounted on the outer side of the supporting end frame, and the mounting screw is mounted on the inner side of the external mounting rod and can be used for fixedly mounting the rope connecting shaft.

Compared with the prior art, the utility model provides a pair of hoist pulling force inspection testing arrangement has following beneficial effect:

1. the utility model provides a hoist pulling force inspection testing arrangement, through installing parts such as rope connecting axle what tip ergograph, equipment is used for detecting the hoist at the tensile size of during operation and the stress size in the rope, the staff passes through the lifting hook with the goods of jack-up and the outside at the rope connecting axle is fixed to the rope, wherein the rope, goods and lifting hook are the accessory on the hoist, accomplish the hoist and mount back of goods, remove the support of goods bottom, the perpendicular whereabouts of goods this moment, when the bottom is static when falling down, the rope is tightened, install the tip ergograph in the rear side of connecting main rod this moment, the tip ergograph can measure the atress size of connecting main rod, the problem that traditional testing arrangement is difficult to fixed rope has been solved.

2. The utility model provides a hoist pulling force inspection testing arrangement, through parts such as installation integrated form stress transducer and connector, stress when in order to survey the rope tensile, install miniature pressure sensor in the outside of rope connecting axle, the connector of rope connecting axle rear end passes through screw fixed mounting in integrated form stress transducer simultaneously, integrated form stress transducer is the existing product on the market, it carries out the measurement and calculation of rope stress through measuring the tensile condition of spare part of installation end internal fixation, specifically measure through built-in tension sensor for spare part atress in the installation end, know the cross sectional area of rope in advance simultaneously, can obtain the stress numerical value of rope through calculating, the inaccurate problem of traditional testing arrangement measured data has been solved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a partial schematic view of the structure of the descending speed measuring shaft of the present invention;

fig. 3 is a partial schematic view of the structure of the middle integrated stress sensor according to the present invention;

fig. 4 is a partial schematic view of the structure of the middle support end frame of the present invention.

Reference numbers in the figures: 1. a bottom mounting plate; 2. foundation threaded holes; 3. a mounting frame; 301. a connecting screw; 4. an end force measuring device; 5. mounting an end frame; 6. connecting the main rod; 601. mounting a screw; 7. an integrated stress sensor; 701. reinforcing the end frame; 702. a support bar; 703. a bottom end mounting base; 8. descending a speed measuring shaft; 801. a first coupling mounting head; 802. a driven gear; 803. a support frame plate; 9. a side end plate; 10. a connector; 11. a numerical value display; 12. a rope connecting shaft; 1201. a driving gear; 1202. a second coupling mounting head; 13. supporting the end frame; 1301. a right-angle frame; 1302. an external mounting rod; 1303. and (5) mounting screws.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The first embodiment is as follows:

referring to fig. 1-4, the present invention provides a technical solution: a crane tension testing device comprises a bottom mounting plate 1 and a rope connecting shaft 12, wherein four corners of the outer wall surface of the bottom mounting plate 1 are provided with foundation threaded holes 2, a mounting frame 3 is mounted on one side of the bottom mounting plate 1 through screws, an end force measuring device 4 is fixedly mounted on one side of the mounting frame 3 through a connecting screw 301, a mounting end frame 5 is connected on one side of the end force measuring device 4, a connecting main rod 6 is welded on one side of the mounting end frame 5, the other side of the connecting main rod 6 is connected with an integrated stress sensor 7 through a screw, a numerical display 11 is mounted on the outer side of the integrated stress sensor 7, a connector 10 is fixedly mounted on one side of the integrated stress sensor 7, a supporting end frame 13 is welded on the outer side of the connector 10, a side end plate 9 is arranged on one side of the supporting end frame 13, a descending speed measuring shaft 8 is rotatably mounted on one side of the side end plate 9, and a driven gear 802 is mounted on the outer side of the descending speed measuring shaft 8 through gear transmission belt meshing, the driven gear 802 is formed on one side of the rope connecting shaft 12, so that the technical problems that the traditional tension testing device is inaccurate in measurement and hoisted goods are difficult to fix are solved; the screw mounting plates 601 are mounted on two sides of the connecting main rod 6 in a threaded mode, and the connecting main rod 6 can be fixedly mounted between the integrated sensor and the end force measuring device 4.

In this embodiment, equipment is used for detecting the hoist and fixes the outside at rope connecting axle 12 at tensile size of during operation and the stress size in the rope, the staff passes through the lifting hook with the goods of jack-up and the rope passes through the lifting hook, wherein the rope, goods and lifting hook are the accessory on the hoist, accomplish the hoist and mount back of goods, remove the support of goods bottom, the perpendicular whereabouts of goods this moment, when falling the bottom static, the rope is taut, install tip ergograph 4 at the rear side of connecting main rod 6 this moment, tip ergograph 4 can record the atress size of connecting main rod 6, the problem that traditional testing arrangement is difficult to fixed rope has been solved.

Example two:

referring to fig. 1-4, the present invention provides a technical solution: a crane tension test device is characterized in that a reinforcing end frame 701 is fixedly installed on one side of an integrated stress sensor 7, supporting rods 702 are installed on two sides of the reinforcing end frame 701, the bottom surface of the integrated stress sensor 7 is fixedly installed on a bottom end installation seat 703, and the tension of a rope can be measured; a driven gear 802 is arranged on one side of the descending speed measuring shaft 8, a first coupling mounting head 801 is mounted at the end part of the descending speed measuring shaft 8, and a supporting frame plate 803 is mounted between the descending speed measuring shaft 8 and the driven gear 802, so that the rotating speed measurement of the rope connecting shaft 12 can be realized; a second coupling mounting head 1202 is mounted at the end of the rope connecting shaft 12, and a driving gear 1201 is arranged outside the rope connecting shaft 12 and can be used for mounting and fixing a rope; a right-angle frame 1301 is arranged on one side of the supporting end frame 13, a rope connecting shaft 12 is arranged on the inner side of the right-angle frame 1301, and the rope connecting shaft 12 can be rotatably mounted; an external mounting rod 1302 is fixedly mounted on the outer side of the supporting end frame 13, and a mounting screw 1303 is mounted on the inner side of the external mounting rod 1302, so that the rope connecting shaft 12 can be fixedly mounted.

In the embodiment, a miniature pressure sensor is installed on the outer side of a rope connecting shaft 12, meanwhile, a connector 10 at the rear end of the rope connecting shaft 12 is fixedly installed in an integrated stress sensor 7 through a screw, the integrated stress sensor 7 is an existing product on the market, rope stress is measured and calculated by measuring the tensile condition of a part fixed in an installation end, specifically, the stress of the part in the installation end is measured through a built-in tension sensor, meanwhile, the section area of the rope is known in advance, the stress value of the rope can be obtained through calculation, and the problem that the measurement data of a traditional testing device is inaccurate is solved.

The utility model provides a pair of hoist pulling force inspection testing arrangement's theory of operation as follows:

the first innovation point implementation step:

the first step is as follows: the device is used for detecting the tension of the crane during working and the stress in the rope, and workers fix the hoisted goods and the rope on the outer side of the rope connecting shaft 12 through the lifting hook, wherein the rope, the goods and the lifting hook are all accessories on the crane;

the second step is that: after the hoisting of the goods is completed, the support at the bottom of the goods is removed, the goods fall vertically at the moment, when the goods fall to the bottom and are static, the rope is tightened, the end force measuring device 4 is installed on the rear side of the connecting main rod 6 at the moment, and the stress of the connecting main rod 6 can be measured by the end force measuring device 4;

the third step: in order to fix the end force measuring device 4, a worker installs a supporting end frame 13 at the rear end of the force measuring device, and the supporting end frame 13 and the end force measuring device 4 are fixed through a connecting screw 301.

The implementation step of the second innovation point:

the first step is as follows: in order to measure the stress of the rope during stretching, a miniature pressure sensor is arranged on the outer side of the rope connecting shaft 12, and meanwhile, a connector 10 at the rear end of the rope connecting shaft 12 is fixedly arranged in the integrated stress sensor 7 through a screw;

the second step is that: the integrated stress sensor 7 is a product existing in the market, measures and calculates the stress of the rope by measuring the stretching condition of a part fixed in the installation end, specifically, the stress of the part in the installation end is measured by a built-in tension sensor, the section area of the rope is known in advance, the stress value of the rope can be obtained by calculation, and a worker at the outer side of the descending speed measuring shaft 8 can install a speed measuring sensor to cooperate with a gear transmission belt to measure the descending speed of the goods;

the third step: in the above test apparatus, the integrated stress sensor 7 was a T70 integrated sensor from alder, and the end force-measuring device 4 was a PLD204LF tensile pressure sensor from peng power.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hoist pulling force inspection testing arrangement, includes bottom mounting panel (1) and rope connecting axle (12), its characterized in that: foot margin screw hole (2) has been seted up to bottom mounting panel (1) outer wall four corners department, and bottom mounting panel (1) one side screw mounting has mounting bracket (3), there is tip ergograph (4) mounting bracket (3) one side through connecting screw (301) fixed mounting, tip ergograph (4) one side is connected with installation end frame (5), and installation end frame (5) one side welded mounting has connecting main rod (6), connecting main rod (6) opposite side screw connection has integrated form stress transducer (7), and installs numerical display (11) outside integrated form stress transducer (7), integrated form stress transducer (7) one side fixed mounting has connector (10), and the welding of connector (10) outside has support end frame (13), side end plate (9) has been seted up to support end frame (13) one side, and side end plate (9) one side is rotated and is installed and is descended and test the speed axle (8), the outside of the descending speed measuring shaft (8) is provided with a driven gear (802) in a meshed mode through a gear transmission belt, and the driven gear (802) is formed on one side of the rope connecting shaft (12).

2. The crane tension test device as claimed in claim 1, wherein screw mounting plates (601) are threadedly mounted on both sides of the connecting main rod (6).

3. The crane tension test device as claimed in claim 1, wherein a reinforcing end frame (701) is fixedly mounted on one side of the integrated stress sensor (7), support rods (702) are mounted on two sides of the reinforcing end frame (701), and the bottom surface of the integrated stress sensor (7) is fixedly mounted on the bottom end mounting seat (703).

4. The crane tension testing device according to claim 1, wherein a driven gear (802) is provided at one side of the descending speed measuring shaft (8), a first coupling mounting head (801) is mounted at an end of the descending speed measuring shaft (8), and a support frame plate (803) is mounted between the descending speed measuring shaft (8) and the driven gear (802).

5. The crane tension test device as claimed in claim 1, wherein a second coupling mounting head (1202) is mounted at an end of the rope connecting shaft (12), and a driving gear (1201) is disposed outside the rope connecting shaft (12).

6. The crane tension test device as claimed in claim 1, wherein a right-angle frame (1301) is arranged at one side of the supporting end frame (13), and a rope connecting shaft (12) is arranged at the inner side of the right-angle frame (1301).

7. The crane tension test device as claimed in claim 1, wherein an external mounting rod (1302) is fixedly mounted on the outer side of the supporting end frame (13), and a mounting screw (1303) is mounted on the inner side of the external mounting rod (1302).