CN216638706U

CN216638706U - Sensing device for measuring load of construction elevator

Info

Publication number: CN216638706U
Application number: CN202220221782.1U
Authority: CN
Inventors: 余晓辉; 蒋锦富; 江楚杰; 盛民; 黄先业; 王强; 陆任松; 查凌峰; 郭振城
Original assignee: Guangzhou Te Wei Eng Machinery Co ltd
Current assignee: Guangzhou Te Wei Eng Machinery Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-05-31
Anticipated expiration: 2032-01-26

Abstract

The utility model discloses a sensing device for measuring load of a construction elevator, which comprises a BH plate ring type weighing sensor, wherein the BH plate ring type weighing sensor is used for connecting a lifting transmission trolley and a suspension cage, transmission lifting lugs are fixedly connected to two sides of the lifting transmission trolley, suspension cage lifting lugs are fixedly connected to two sides of the suspension cage, and the transmission lifting lugs on the two sides are matched with the suspension cage lifting lugs in position. The BH plate ring type weighing sensor, the transmission lifting lug and the suspension cage lifting lug are quickly connected, the connection stability is good, accurate load measurement can be realized after the BH plate ring type weighing sensor is electrified, a sensing pin does not need to be beaten, the damage to a sensing device is reduced, the hole diameter of a third pin hole in the protection plate is larger than the shaft diameter of a pin shaft, when the BH plate ring type weighing sensor is broken, the pin shaft can be clamped on the protection plate, the phenomenon that the whole lifting transmission trolley and the suspension cage are separated and fall off is avoided, and the BH plate ring type weighing sensor can be effectively applied to load measurement control occasions of construction elevator equipment.

Description

Sensing device for measuring load of construction elevator

Technical Field

The utility model relates to the field of sensing devices, in particular to a sensing device for measuring load of a construction elevator.

Background

With the rapid development of economy in China, the construction of a building is paved into a ceiling and a ground, construction elevator equipment is of great importance on safe operation, and how to ensure the load safety of the construction elevator is of great importance.

At present, a pin shaft type weighing sensor is commonly used in most construction elevator equipment in China. The weighing sensor and the elevator are connected with the main frame of the suspension cage to form a synchronous integrated structure, the upper hanging lug is of a concentric double-hole structure, the lower hanging lug is of a single-hole stress, the coaxiality is required to be very high in the installation process, the upper hanging lug and the lower hanging lug are fixed in a welding mode, deformation is generated after welding, and the sensor cannot smoothly enter the lifting cage. The existing sensing pin is directly connected with a suspension cage ear plate through a transmission trolley ear plate. Often adopt to strike widely, often need use the hammer to beat often in the installation dismantlement, the hammer directly hits to hit and leads to the sensing round pin to produce the deformation on the sensing round pin easily, and the sensing round pin is in case produce the deformation, the error will take place for the bearing response piece, and simultaneously, current sensing round pin is circular, vibrations lead to the sensing round pin to rotate in the operation process, then data parameter will change the atress when no-load very big, the influence is the indefinite factor, can irregularly release and interlock in later use, can produce and weigh inaccurately, the discreteness of the structure of the shaft type sensor of round pin itself is great, also can cause weighing inaccurately, lead to sensing device to have considerable hidden danger in equipment safety in utilization.

Therefore, it is necessary to invent a sensing device for measuring a load of a construction hoist to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sensing device for measuring load of a construction elevator, which can ensure that the butt joint of a transmission trolley and a suspension cage can be ensured and a sensing pin can not be influenced when the transmission trolley and the suspension cage are in butt joint so as to solve the defects in the technology.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a sensing device for construction elevator measures load, includes BH plate ring formula weighing sensor, BH plate ring formula weighing sensor is used for connecting promotion transmission dolly and cage, promote the equal fixedly connected with transmission lug in transmission dolly both sides, the equal fixedly connected with cage lug in cage both sides, and the transmission lug and the cage lug position phase-match of both sides, BH plate ring formula weighing sensor both ends can be dismantled with transmission lug and cage lug respectively and be connected, first pinhole has been seted up on the transmission lug, the second pinhole has been seted up on the cage lug, transmission lug and cage lug one side are equipped with the protection shield, the third pinhole has all been seted up to the protection shield both sides, and two third pinholes are corresponding with first pinhole and second pinhole respectively, all peg graft in first pinhole and the second pinhole and have the round pin axle.

Preferably, the cross section of the pin shaft is T-shaped, and one end of the pin shaft is provided with an inserting hole in which a locking nail is inserted.

Preferably, BH plate ring formula weighing sensor includes the elastomer, the last mounting hole has been seted up at the elastomer top, the mounting hole has been seted up down to the elastomer bottom, the blind hole has all been seted up at elastomer both sides middle part, the blind hole middle part is equipped with strain area, it has the strainometer to paste on the strain area, elastomer one side runs through there is the cable conductor, and the cable conductor passes through data line and strainometer electric connection.

Preferably, the two blind holes are symmetrically distributed, through hole grooves and through hole holes which are symmetrically parallel to the bottom surface of the elastic body are formed in the top and the bottom of each blind hole, and the through hole grooves and the through hole holes are symmetrically distributed in the left-right direction of the center line of the elastic body.

Preferably, the outer diameter of the pin shaft is smaller than the inner diameter of the third pin hole, and the inner diameters of the upper mounting hole and the lower mounting hole are equal to the outer diameter of the pin shaft.

Preferably, a sealant is filled between the strain area and the blind hole in a sealing mode, and a metal membrane is bonded to the outer side of the blind hole.

In the technical scheme, the utility model has the following technical effects and advantages:

1. the BH plate ring type weighing sensor and the transmission lifting lug are quickly connected with the lifting cage lifting lug, so that the connection stability is good, accurate load measurement can be realized after the BH plate ring type weighing sensor is electrified, a sensing pin does not need to be beaten, the damage to a sensing device is reduced, the hole diameter of a third pin hole in the protection plate is larger than the shaft diameter of a pin shaft, when the BH plate ring type weighing sensor is broken, the pin shaft can be clamped on the protection plate, the phenomenon that the whole lifting transmission trolley and the lifting cage are separated and fall off is avoided, and the BH plate ring type weighing sensor can be effectively applied to a load measurement control occasion of construction elevator equipment;

2. the BH plate ring type sensor which is forged and molded by adopting an integrated structure is used as a weighing sensor, the BH plate ring type sensor and equipment are reasonably and perfectly butted, the BH plate ring type weighing sensor has high strength performance, sealing glue and a metal membrane are matched for waterproof sealing and strain gauge protection, and the sealing glue and the metal membrane are matched for waterproof sealing and strain gauge protection.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic exploded view of FIG. 1 in accordance with the present invention;

FIG. 3 is a left side view of the partial structure of FIG. 1 in accordance with the present invention;

FIG. 4 is a front view of a BH plate ring-type load cell of the present invention;

figure 5 is a right side view of the BH plate-ring type load cell of the present invention.

Description of reference numerals:

1. a BH plate ring type weighing sensor; 101. an elastomer; 102. an upper mounting hole; 103. a lower mounting hole; 104. blind holes; 105. a strained region; 106. a strain gauge; 107. a cable wire; 108. through-hole slots and holes; 109. a metal diaphragm; 2. lifting the transmission trolley; 3. a suspension cage; 4. the transmission lifting lug; 5. a suspension cage lifting lug; 6. a first pin hole; 7. a second pin hole; 8. a protection plate; 9. a third pin hole; 10. a pin shaft; 11. and (7) inserting holes.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides a sensing device for measuring load of a construction elevator, which is shown in figures 1-5 and comprises a BH plate ring type weighing sensor 1, wherein the BH plate ring type weighing sensor 1 is used for connecting a lifting transmission trolley 2 and a suspension cage 3, transmission lifting lugs 4 are fixedly connected to two sides of the lifting transmission trolley 2, suspension cage lifting lugs 5 are fixedly connected to two sides of the suspension cage 3, the transmission lifting lugs 4 on the two sides are matched with the positions of the suspension cage lifting lugs 5, two ends of the BH plate ring type weighing sensor 1 are respectively detachably connected with the transmission lifting lugs 4 and the suspension cage lifting lugs 5, a first pin hole 6 is formed in each transmission lifting lug 4, a second pin hole 7 is formed in each suspension cage lifting lug 5, one side of each transmission lifting lug 4 and one side of each suspension cage 5 are provided with a third pin hole 8, two sides of each protection plate 8 are provided with third pin holes 9, and the two third pin holes 9 are respectively corresponding to the first pin hole 6 and the second pin hole 7, the pin shafts 10 are inserted into the first pin hole 6 and the second pin hole 7, the BH plate ring type sensor 1 is formed by forging and stamping in an integrated structure, and the BH plate ring type sensor is in reasonable perfect butt joint with equipment in an appearance structure and has high strength performance.

Furthermore, in the above technical scheme, the cross-sectional shape of the pin shaft 10 is set to be T-shaped, the insertion hole 11 is formed in one end of the pin shaft 10, the locking nail is inserted into the insertion hole 11, the connection mode of the pin shaft 10 is simple and quick, the problem that the upper and lower hangers in the traditional process are fixed in a welding mode, the sensor cannot smoothly enter due to large deformation after welding and is often knocked vigorously, and the sensor is affected by the structure after knocking is solved, and the pin shaft 10 is matched with the insertion hole 11 and the locking nail, so that the stability of the transmission lifting lug 4 and the suspension cage lifting lug 5 after connection is good.

Further, in the above technical scheme, BH plate ring type weighing sensor 1 includes elastomer 101, last mounting hole 102 has been seted up at elastomer 101 top, mounting hole 103 has been seted up down to elastomer 101 bottom, blind hole 104 has all been seted up at elastomer 101 both sides middle part, blind hole 104 middle part is equipped with strain area 105, strain area 105 is last to be pasted and is had strainometer 106, elastomer 101 one side is run through there is cable conductor 107, and cable conductor 107 passes through data line and strainometer 106 electric connection, BH plate ring type weighing sensor 1 simple to operate, but have measurable quantity load, safer characteristics, this sensor connection dynamometry system can effectual control load, has solved current pivot sensor precision installation problem, has increased the measurement load function, can effectively be applied to construction elevator equipment measurement load control occasion.

Further, in the above technical solution, the two blind holes 104 are symmetrically distributed, and the top and the bottom of the blind hole 104 are provided with through hole slots and holes 108 symmetrically parallel to the bottom surface of the elastic body 101, so as to form a shear beam structure, the through hole slots and holes 108 are symmetrically distributed about the center line of the elastic body 101, the blind hole 104 is two counter bores symmetrically distributed, and the counter bores are of a strain hole circular structure, so that the stress of the BH plate ring type weighing sensor 1 is more concentrated.

Further, in the above technical solution, the outer diameter of the pin shaft 10 is smaller than the inner diameter of the third pin hole 9, the inner diameters of the upper mounting hole 102 and the lower mounting hole 103 are equal to the outer diameter of the pin shaft 10, the hole diameter of the third pin hole 9 on the protection plate 8 is larger than the shaft diameter of the pin shaft 10, when the BH plate-ring type weighing sensor is broken, the pin shaft 10 is clamped on the protection plate 8, and the phenomenon that the whole lifting transmission trolley 2 and the suspension cage 3 fall off separately is not generated.

Further, in the above technical solution, a sealant is filled between the strain region 105 and the blind hole 104, a metal diaphragm 109 is bonded to the outer side of the blind hole 104, and the sealant and the metal diaphragm 109 are used for waterproof sealing and protecting the strain gauge 106.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, when the device is used for connecting a lifting transmission trolley 2 and a suspension cage 3, firstly, a BH plate ring type weighing sensor 1 is correspondingly placed at the mounting positions of a transmission lifting lug 4 and a suspension cage lifting lug 5, a first pin hole 6 and a second pin hole 7 are respectively corresponding to the connecting positions of two ends of the BH plate ring type weighing sensor 1, namely an upper mounting hole 102 and a lower mounting hole 103, after alignment, two pin shafts 10 sequentially penetrate through a third pin hole 9, the first pin hole 6 or the second pin hole 7 and a connecting hole in the BH plate ring type weighing sensor 1, a protection plate 8 is fixed on one side of the transmission lifting lug 4 and the suspension cage lifting lug 5, and then a locking nail is inserted into a plugging hole 11 to complete the mounting combination of the sensing device, the connection stability is good, the accurate load measurement can be realized after the BH plate ring type weighing sensor 1 is electrified, and the connection is convenient and rapid without hammering;

referring to the attached drawings 1-5 of the specification, the BH plate ring type sensor 1 is formed by forging and stamping in an integrated structure, the BH plate ring in an external structure is reasonably and perfectly butted with equipment, the BH plate ring type sensor has high strength performance, sealing glue and a metal membrane 109 are matched for waterproof sealing and protection of the strain gauge 106, and the sealing glue and the metal membrane 109 are matched for waterproof sealing and protection of the strain gauge 106.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The utility model provides a sensing device for construction elevator measures load, includes BH plate ring formula weighing sensor (1), BH plate ring formula weighing sensor (1) are used for connecting promotion transmission dolly (2) and cage (3), its characterized in that: the two sides of the lifting transmission trolley (2) are both fixedly connected with transmission lifting lugs (4), the two sides of the suspension cage (3) are both fixedly connected with suspension cage lifting lugs (5), the transmission lifting lugs (4) on the two sides are matched with the lifting cage lifting lugs (5), the two ends of the BH plate ring type weighing sensor (1) are respectively detachably connected with the transmission lifting lugs (4) and the lifting cage lifting lugs (5), a first pin hole (6) is arranged on the transmission lifting lug (4), a second pin hole (7) is arranged on the suspension cage lifting lug (5), one side of the transmission lifting lug (4) and one side of the suspension cage lifting lug (5) are provided with a protective plate (8), both sides of the protective plate (8) are provided with third pin holes (9), and the two third pin holes (9) are respectively corresponding to the first pin hole (6) and the second pin hole (7), and pin shafts (10) are inserted into the first pin holes (6) and the second pin holes (7).

2. A sensing device for a construction elevator measuring load according to claim 1, wherein: the cross section of the pin shaft (10) is T-shaped, an inserting hole (11) is formed in one end of the pin shaft (10), and a locking nail is inserted in the inserting hole (11).

3. A sensing device for a construction elevator measuring load according to claim 1, wherein: BH plate ring formula weighing sensor (1) includes elastomer (101), last mounting hole (102) have been seted up at elastomer (101) top, mounting hole (103) have been seted up down to elastomer (101) bottom, blind hole (104) have all been seted up at elastomer (101) both sides middle part, blind hole (104) middle part is equipped with strain area (105), it has strainometer (106) to paste on strain area (105), elastomer (101) one side is run through and is had cable conductor (107), and cable conductor (107) pass through data line and strainometer (106) electric connection.

4. A sensing device for a construction elevator load measurement according to claim 3, wherein: the two blind holes (104) are symmetrically distributed, through hole grooves and holes (108) which are symmetrically parallel to the bottom surface of the elastic body (101) are formed in the top and the bottom of the blind holes (104), and the through hole grooves and the holes (108) are symmetrically distributed in the left-right direction of the center line of the elastic body (101).

5. A sensing device for a construction elevator load measurement according to claim 3, wherein: the outer diameter of the pin shaft (10) is smaller than the inner diameter of the third pin hole (9), and the inner diameters of the upper mounting hole (102) and the lower mounting hole (103) are equal to the outer diameter of the pin shaft (10).

6. A sensing device for a construction elevator load measurement according to claim 3, wherein: sealant is filled between the strain area (105) and the blind hole (104) in a sealing mode, and a metal membrane (109) is bonded to the outer side of the blind hole (104).