CN114476899B

CN114476899B - Derrick type elevator

Info

Publication number: CN114476899B
Application number: CN202111384093.9A
Authority: CN
Inventors: 吴哲
Original assignee: Foshan Hezhong Elevator Technology Co ltd
Current assignee: Foshan Hezhong Elevator Technology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2024-02-20
Anticipated expiration: 2041-11-19
Also published as: CN114476899A

Abstract

The invention relates to the technical field of elevators and discloses a derrick type elevator, which comprises a well frame arranged on one side of a floor wall, wherein a machine room is arranged at the upper end of the well frame, a decorative plate is arranged on the outer side of the well frame, the lower end of the well frame is arranged on a concrete foundation, the concrete foundation is a groined-shaped framework, a car module is arranged in the well frame, the car module comprises a guide rail assembly arranged on one side of the well frame, a counterweight is arranged in the guide rail assembly in a sliding manner, and a car assembly is arranged on one side of the guide rail assembly in a sliding manner; the derrick type elevator has high transmission efficiency, correspondingly reduces the occupied area of a hoistway, relatively reduces the cost, reduces the environmental pollution and carbon emission, is suitable for additionally installing elevators, open-air elevators and home elevators in old buildings, can ensure the stability of the hoistway frame when the elevators operate, and can prevent sedimentation of buildings and other environmental factors, so that the elevators or user buildings cause related safety problems.

Description

Derrick type elevator

Technical Field

The invention relates to the technical field of elevators, in particular to a derrick type elevator.

Background

Usually, an elevator additionally installed in an old building is selected as a traction elevator to be matched with a steel structure well for use, and a combined derrick is further selected; for home elevators, because the hoistway is small, hydraulic elevators and screw-driven elevators are specially adopted for matching. These elevators have the disadvantages of high cost and environmental pollution, and the other has the disadvantages of low mechanical transmission efficiency and low running speed. Furthermore, for outdoor elevators, only that escalator has this function, its similar elevator technology also only occurs abroad.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a derrick type elevator, which aims to solve the problems.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a derrick formula elevator, includes the well frame that sets up in floor wall body one side, well frame upper end is provided with the computer lab, the well frame outside is provided with the decorative board, well frame lower extreme is installed on concrete foundation, concrete foundation is the groined type framework, install the car module in the well frame, the car module is including installing the guide rail subassembly in well frame one side, slidable mounting has the balanced heavy in the guide rail subassembly, one side slidable mounting of guide rail subassembly has the car subassembly, install the power take off motor in the computer lab, the power take off motor top is provided with speed limit system stop device, power take off motor is last to install power gear, around being equipped with synchronous belt on the power gear, synchronous belt one end is connected with the car subassembly, and the other end is around establishing on the balanced heavy, around being equipped with wire rope on the speed limit system stop device, wire rope one end is connected with the car subassembly, and the other end is around establishing on the balanced heavy.

The elevator has the beneficial effects that the concrete foundation is a groined structure, the well frame is arranged on the groined structure, so that the stability of the well frame can be ensured when the elevator operates, the settlement of a building and other environmental factors can be prevented, the related safety problem caused by the elevator or a user building can be avoided, and the user does not need to worry about the instability of the building or the damage of the original building in the process of installing the elevator because the groined structure is an independent concrete structure; the counterweight and the car assembly are both arranged on the same guide rail assembly, the machine room is arranged at the upper end of the well frame, the occupied space of the well frame is reduced, and the elevator is safer under the support of the well frame; the car component is connected with the balance weight through the synchronous belt, and simultaneously, the speed limiting stopping device is also adopted, the car component is connected with the balance weight through the steel wire rope, the transmission efficiency is high, the cost is relatively reduced, the environmental pollution and the carbon emission are reduced, and the car component is suitable for home elevators, open-air elevators or old building additional elevators.

Further, the chassis is installed to well frame bottom, and this chassis is installed on the well font framework, one side of well frame is provided with many crossbeams, and fixed mounting has guide rail assembly on many crossbeams, well frame top extends into in the computer lab and installs the link, speed limit system stops the device and installs on the link, guide rail assembly's upper portion extends into in the computer lab, the upper end at guide rail assembly is installed to the power take off motor.

After the further mechanism is adopted, the structure of the well frame is compact, the well frame is better stabilized on the groined frame, the upper parts of the well frame and the guide rail component are all extended into a machine room, a driving device is not required to be installed at the lower end of the well frame, and the well frame is more flexible to install and occupies less space.

Further, a first synchronous belt connecting buffer seat for locking the rope ends of the synchronous belt is arranged at the lower end of the connecting frame respectively, and a first steel wire rope fixing opening for fixing the end heads of the steel wire ropes is formed in one side of the first synchronous belt connecting buffer seat.

After the further mechanism is adopted, the first synchronous belt connecting buffer seat and the first steel wire rope fixing port can wind the ends of the synchronous belt and the steel wire rope onto the connecting frame respectively, the operation of the car assembly is more stable, the use effect is optimal, the occupied space is small, and the counterweight does not occupy two floor spaces during operation.

Further, the guide rail assembly comprises an auxiliary guide rail and a main guide rail, a plurality of first fixing clamping seats are arranged on the cross beams, an auxiliary guide rail is arranged between the first fixing clamping seats, a plurality of second fixing clamping seats are arranged on the outer side of the auxiliary guide rail, a main guide rail is arranged between the second fixing clamping seats, a counterweight is arranged in the auxiliary guide rail in a sliding mode, a roller guide shoe rack is arranged in the main guide rail in a sliding mode, the roller guide shoe rack is provided with a roller guide shoe, the roller guide shoe rack is connected with the back face of the car assembly, the counterweight comprises a counterweight block, a sliding frame is fixedly arranged on the counterweight block, two ends of the sliding frame are respectively provided with a first sliding groove, and the first sliding groove is slidably arranged on the auxiliary guide rail.

After adopting above-mentioned further structure, balanced heavy installation is in vice guide rail, and the car subassembly is connected on main guide rail, and vice guide rail and main guide rail interconnect just fix on the crossbeam moreover for can be alone or merge the equipment between well frame and the guide rail subassembly, the construction of being convenient for, overall structure occupies the space in the well frame less, more is fit for installing the elevator construction additional, compact structure moreover, the operation is stable.

Further, a second synchronous belt connecting buffer seat is respectively arranged on the sliding frame, and a second steel wire rope fixing opening is formed in one side of the second synchronous belt connecting buffer seat.

After the further structure is adopted, the synchronous belt and the steel wire rope are directly connected with the balancing weight through the second synchronous belt connecting buffer seat and the second steel wire rope fixing port, so that the structure is simpler and more compact, and the transmission efficiency is high.

Further, the sliding frame is respectively provided with a synchronous belt winding seat, the synchronous belt winding seat is a synchronous gear mechanism, the synchronous gear mechanisms are respectively arranged on two sides of the sliding frame, each synchronous gear mechanism comprises a gear seat arranged on the sliding frame, the upper part of each gear seat is provided with a wheel groove, a rotating shaft is arranged in each wheel groove, and a synchronous gear is sleeved on each rotating shaft.

After the further structure is adopted, the synchronous belt winding seat is used for winding the synchronous belt, the synchronous belt is guided to the first synchronous belt connecting buffer seat on the connecting frame, so that a transmission loop is formed, the operation of the car assembly is better, and meanwhile, the linkage between the counterweight and the car assembly is more stable and the operation is more energy-saving.

Further, a steel wire rope winding seat is arranged between the synchronous belt winding seats, the steel wire rope winding seat comprises rotating rollers, rotating shaft seats are arranged at two ends of each rotating roller, a second sliding groove is formed in one end, close to the auxiliary guide rail, of each rotating shaft seat, the second sliding groove is slidably mounted on the auxiliary guide rail, two limiting sleeves are sleeved on the rotating shaft seats, a steel wire rope winding groove is formed between the two limiting sleeves, and the side faces of the rotating shaft seats are fixedly connected with the side faces of the sliding frames through L frames.

After adopting above-mentioned further structure, the wire rope is around establishing the seat and can be better around establishing wire rope around establishing the inslot at wire rope, then with the fixed mouthful of first wire rope on the link to form the drive circuit, make balanced heavy and the car subassembly be connected that can be better in cooperation with the synchronous belt on the first hold-in range connection buffer seat, the operation is more stable, and the security is better.

Further, the first synchronous belt connecting buffer seat comprises a base, one side of the base is provided with a toothed rope head clamping seat, two sides of the toothed rope head clamping seat are provided with guide rods penetrating through the base, the lower ends of the guide rods are provided with mounting positioning heads, the upper ends of the guide rods are provided with limiting heads, and the lower ends of the limiting heads are provided with buffer springs sleeved on the guide rods.

After adopting above-mentioned further structure, under buffer spring's effect, fixed synchronous belt's toothed belt head holder has certain cushioning effect for the balanced heavy has relative fine motion displacement, has certain guard action to synchronous belt.

Further, the lower end of the well frame underframe is provided with a suspension, the lower end of the suspension is arranged on the groined structure, and a net-shaped safety guardrail is arranged around the suspension.

After adopting above-mentioned further structure, but through suspension unsettled installation well frame, be fit for unsettled elevator, open-air elevator's structure promptly, make first, second building and above floor barrier-free and solve ventilation printing opacity problem.

Further, the car module comprises a lifting frame, at least one side of the lifting frame is provided with an opening, the other side of the lifting frame is connected with the roller guide shoe rack, the upper end of the lifting frame is respectively connected with the ends of the steel wire rope and the synchronous belt, and a car body is arranged in the lifting frame.

After the further structure is adopted, the car module has simple structure and low relative cost; when the car body adopts the composite material of the rainwater-proof structure, the whole weight of the elevator is greatly reduced, the elevator is more suitable for the transmission of synchronous belts, and the transmission efficiency is higher.

Drawings

Fig. 1 is a schematic structural view of a hoistway frame according to a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a groined structure according to a first embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a rail assembly according to a first embodiment of the present invention.

Fig. 4 is a schematic perspective view of a guide rail assembly according to a first embodiment of the present invention.

Fig. 5 is a schematic structural view of a counterweight according to a first embodiment of the invention.

Fig. 6 is an enlarged schematic view of the structure at a in fig. 6.

Fig. 7 is a schematic perspective view of a second timing belt connection buffer seat.

Fig. 8 is a schematic structural diagram of a rail assembly according to a second embodiment of the present invention.

Fig. 9 is a schematic structural view of a hoistway frame according to a third embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a groined-shaped structure according to a third embodiment of the present invention.

Fig. 11 is a schematic structural view of a hoistway frame according to a fourth embodiment of the present invention.

In the figure: hoistway frame 1, concrete foundation 2, corridor attachment 3, decorative board 4, machine room 5, groined type frame 6, anchor bolt 7, suspension 8, net-shaped safety fence 80, roller guide shoe 9, counterweight 10, lifting frame 11, power take-off motor 12, speed limit stopping device 13, carriage 14, first timing belt connection buffer seat 150, second timing belt connection buffer seat 15, first wire rope fixing port 170, second wire rope fixing port 17, wire rope 18 and timing belt 19, wire rope winding seat 20, underframe 21, beam 22, first fixing clip seat 23, auxiliary guide rail 24, main guide rail 25, second fixing clip seat 26, roller guide shoe frame 27, counterweight 28, slide frame 29, first slide groove 30, rotary shaft seat 31, second slide groove 32, L frame 33, rotary roller 34, wire rope winding groove 35, gear seat 36, rotary shaft 37, timing gear 38, connecting frame 39, toothed rope head clip seat 40, guide rod 41, mounting positioning head 42, buffer spring 43, limit head 44, base 45.

Detailed Description

The following describes the embodiments of the present invention further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present invention, but is not intended to limit the present invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.

Example 1

The derrick type elevator is shown in combination with fig. 1 to 7, and comprises a shaft frame 1 arranged on one side of a floor wall, a machine room 5 is arranged at the upper end of the shaft frame 1, a part of decorative plate 4 is arranged on the outer side of the shaft frame 1, a glass plate can be adopted for the decorative plate 4, the lower end of the shaft frame 1 is arranged on a concrete foundation 2, the concrete foundation 2 is a groined-shaped framework 6, a car module is arranged in the shaft frame 1, the car module comprises a guide rail assembly arranged on one side of the shaft frame 1, a counterweight 10 is arranged in the guide rail assembly in a sliding manner, a car assembly is arranged on one side of the guide rail assembly in a sliding manner, a power output motor 12 is arranged in the machine room 5, a speed limiting stopping device 13 is arranged above the power output motor 12, a power gear is arranged on an output shaft on the power output motor 12, one end of the synchronous belt 19 is connected with the car assembly, the other end of the synchronous belt 19 is wound on the counterweight 10, a wire rope 18 is wound on the speed limiting stopping device 13, and one end of the wire rope 18 is wound on the wire cage assembly and the other end of the wire rope is wound on the counterweight 10; the concrete foundation 2 is a groined structure 6, the well frame 1 is arranged on the groined structure 6, so that the stability of the well frame 1 can be ensured when the elevator operates, the settlement of a building and other environmental factors can be prevented, the related safety problem caused by the elevator or a user building can be avoided, and the user does not need to worry about the instability of the building in the process of installing the elevator because the groined structure 6 is an independent concrete structure; the counterweight 10 and the car assembly are both arranged on the guide rail assembly, the machine room 5 is arranged at the upper end of the well frame 1, the occupied space of the well frame 1 is reduced, and the elevator is safer under the support of the well-shaped frame; the car assembly is connected with the counterweight 10 through the synchronous belt 19, and simultaneously adopts the speed limiting stopping device 13, is connected with the counterweight 10 through the steel wire rope 18, has high transmission efficiency and relatively reduced cost, reduces environmental pollution and carbon emission, and is suitable for home elevators, open-air elevators and old building additional elevators.

The foundation bolts 7 are installed on the groined-shaped framework 6, four corners of the groined-shaped framework 6 extend outwards, a certain distance is reserved between the well frame 1 and the floor wall, and the well frame 1 and the floor wall are required to be connected through the gallery attachment 3. And the landing gear accessory 3 falls on the hoistway frame 1.

Referring to fig. 3, 4 and 5, the bottom end of the hoistway frame 1 is provided with a bottom frame 21, the bottom frame 21 is installed on the groined type framework 6, one side of the hoistway frame 1 is provided with a plurality of cross beams 22, guide rail assemblies are fixedly installed on the cross beams 22, the top end of the hoistway frame 1 extends into the machine room 5 and is provided with a connecting frame 39, the speed limiting stopping device 13 is installed on the connecting frame 39, the upper part of the guide rail assemblies extends into the machine room 5, and the power output motor 12 is installed at the upper end of the guide rail assemblies; the well frame 1 is compact in structure, the well frame 1 is better stabilized on the groined type framework 6 by the underframe 21, the upper parts of the well frame 1 and the guide rail component are all extended into the machine room 5, a driving device is not required to be installed at the lower end of the well frame 1, so that the well frame 1 is more flexible to install, and the occupied space is less.

The speed limiting stopping device 13 of the present embodiment is used for detecting the moving speed of the car assembly and stopping the car assembly, and the structure is the prior art and will not be described herein.

The lower end of the connecting frame 39 is respectively provided with a first synchronous belt connecting buffer seat 150 for locking the rope end of the synchronous belt, and one side of the first synchronous belt connecting buffer seat 150 is provided with a first steel wire rope fixing opening 170 for fixing the end head of the steel wire rope; the first timing belt connecting buffer seat 150 and the first wire rope fixing opening 170 may wind the ends of the timing belt 19 and the wire rope 18 onto the connecting frame 39, so that the balancing weight thereof is 2:1, ensures that the counterweight does not enter the bottom of the hoistway frame during operation, and therefore, the counterweight or the car body is not seen in the bottom space during operation.

The guide rail assembly comprises a secondary guide rail 24 and a main guide rail 25, wherein a first fixing clamp seat 23 is arranged on a plurality of cross beams 22, a secondary guide rail 24 is arranged between the first fixing clamp seats 23, a plurality of second fixing clamp seats 26 are arranged on the outer side of the secondary guide rail 24, a main guide rail 25 is arranged between the second fixing clamp seats 26, a counterweight 10 is arranged in a sliding manner in the secondary guide rail 24, a roller guide shoe 27 is arranged in the main guide rail 25 in a sliding manner, the roller guide shoe 27 is provided with a roller guide shoe 9, the roller guide shoe 27 is connected with the back surface of the car assembly, the counterweight 10 comprises a counterweight block 28, a sliding frame 29 is fixedly arranged on the upper part of the counterweight block 28, two ends of the sliding frame 29 are provided with first sliding grooves 30, and the first sliding grooves 30 are arranged on the secondary guide rail 24 in a sliding manner; the counterweight 10 is installed in the auxiliary guide rail 24, the car assembly is connected to the main guide rail 25, and the auxiliary guide rail 24 and the main guide rail 25 are mutually connected and fixed on the cross beam 22, so that the hoistway frame 1 and the guide rail assembly can be assembled independently or in a combined mode, the construction is convenient, the space occupied in the hoistway frame 1 by the whole structure is small, the elevator is more suitable for the construction of additionally installing an elevator, and the elevator is compact in structure and stable in operation.

As shown in fig. 6, the sliding frames 29 are respectively provided with a synchronous belt winding seat, the synchronous belt winding seats are synchronous gear mechanisms, the synchronous gear mechanisms are respectively arranged at two sides of the sliding frames 29, each synchronous gear mechanism comprises a gear seat 36 arranged on the sliding frame 29, a wheel groove is arranged at the upper part of each gear seat 36, a rotating shaft 37 is arranged in each wheel groove, and a synchronous gear 38 is sleeved on each rotating shaft 37; the synchronous belt winding seat is used for winding the synchronous belt 19, and the synchronous belt 19 is guided to the first synchronous belt connecting buffer seat 150 on the connecting frame 39, so that a transmission loop is formed, the operation of the car assembly is better, and meanwhile, the linkage between the counterweight 10 and the car assembly is more stable, and the operation is more energy-saving.

A steel wire rope winding seat 20 is arranged between the synchronous belt winding seats, the steel wire rope winding seat 20 comprises a rotary roller 34, rotating shaft seats 31 are arranged at two ends of the rotary roller 34, a second sliding groove 32 is arranged at one end, close to the auxiliary guide rail 24, of the rotating shaft seat 31, the second sliding groove 32 is slidably arranged on the auxiliary guide rail 24, two limiting sleeves are sleeved on the rotating shaft seat 31, a steel wire rope winding groove 35 is formed between the two limiting sleeves, and the side surface of the rotating shaft seat 31 is fixedly connected with the side surface of the sliding frame 29 through an L frame 33; the steel wire rope winding seat 20 can better wind the steel wire rope 18 in the steel wire rope winding groove 35, then guide the steel wire rope 35 to the first steel wire rope fixing opening 170 on the connecting frame 39, thereby forming a transmission loop, and the counterweight 10 can be better connected with the car assembly by matching with the synchronous belt 19 on the first synchronous belt connection buffer seat 150, so that the running is more stable and the safety is better.

As shown in fig. 7, the first synchronous belt connecting buffer seat 150 includes a base 45, one side of the base 45 is provided with a toothed rope head holder 40, two sides of the toothed rope head holder 40 are provided with guide rods 41 penetrating through the base 45), the lower end of the guide rods 41 is provided with a mounting positioning head 42, the upper end of the guide rods is provided with a limiting head 44, the lower end of the limiting head 44 is provided with a buffer spring 43 sleeved on the guide rods 41, one end of the guide rods 41 close to the mounting positioning head 42 penetrates through the connecting frame 39 from bottom to top, and the base 45 is mounted at the lower end of the connecting frame 39 through the mounting positioning head 42; under the action of the buffer spring 43, the toothed rope head clamping seat 40 for fixing the synchronous belt 19 has a certain buffer effect, so that the counterweight 10 has relative micro-motion displacement and has a certain protection effect on the synchronous belt 19.

The elevator car module comprises an elevator frame 11, wherein one side of the elevator frame 11 facing a floor wall body is provided with an opening, or the opposite side of the elevator frame is provided with an opening, the other side of the elevator frame is connected with a roller guide shoe rack 27, the upper end of the elevator frame 11 is respectively connected with the ends of a steel wire rope 18 and a synchronous belt 19, and an elevator car body 14 is arranged in the elevator frame 11; the car module has simple structure, relatively low cost, relatively low weight, high transmission efficiency and is more suitable for the transmission of the synchronous belt 19.

Example two

As shown in fig. 8, the difference between the second embodiment and the first embodiment is that the sliding frame 29 is respectively provided with a second synchronous belt connecting buffer seat 15, the second synchronous belt connecting buffer seat 15 is connected with the end of the synchronous belt 19, one side of the second synchronous belt connecting buffer seat 15 is provided with a second wire rope fixing opening 17, and the second wire rope fixing opening 17 is connected with the end of the wire rope 18; the synchronous belt 19 and the steel wire rope 18 can be directly connected with the counterweight 10 through the second synchronous belt connecting buffer seat 15 and the second steel wire rope fixing opening 17, and the counterweight is 1 with the car body: 1, the structure is simplified and compact, and the transmission efficiency is higher.

The second synchronous belt connecting buffer seat 15 has the same structure as the first synchronous belt connecting buffer seat 150, wherein the guide rod 41 penetrates the sliding frame 29 from top to bottom near one end of the installation positioning head 42, and the base 45 is installed at the upper end of the sliding frame 29 by the installation positioning head 42, so that the toothed belt head clamping seat 40 is convenient for installing the synchronous belt 19.

Example III

As shown in fig. 9 and 10, the difference between the third embodiment and the first embodiment is that the side of the groined structure 6 near the floor wall is planar in plan view, so that the distance between the hoistway frame 1 and the floor wall is smaller, and the installation of the gallery attachment 3 between the hoistway frame 1 and the floor wall is not required.

Example IV

As shown in fig. 11, the difference between the fourth embodiment and the third embodiment is that, further, the lower end of the bottom frame 21 is provided with a suspension frame 8, the lower end of the suspension frame 8 is mounted on the groined structure 6, and a mesh safety barrier 80 is disposed around the suspension frame 8, so as to ensure the safety of the personnel when the elevator stops at the first floor or the second floor, so that the hoistway frame 1 forms a suspended elevator structure, and the installation is flexible. In addition, the problem that the first floor or the second floor is not ventilated and light is transmitted is solved.

The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, and yet fall within the scope of the invention.

Claims

1. The derrick type elevator comprises a shaft frame (1) arranged on one side of a floor wall body, and is characterized in that a machine room (5) is arranged at the upper end of the shaft frame (1), a decorative plate (4) is arranged on the outer side of the shaft frame (1), the lower end of the shaft frame (1) is arranged on a concrete foundation (2), the concrete foundation (2) is a groined-shaped framework (6), a car module is arranged in the shaft frame (1), the car module comprises a guide rail assembly arranged on one side of the shaft frame (1), a counterweight (10) is arranged in the guide rail assembly in a sliding manner, a car assembly is arranged on one side of the guide rail assembly in a sliding manner, a power output motor (12) is arranged in the machine room (5), a speed limiting stopping device (13) is arranged above the power output motor (12), a power gear is arranged on an output shaft on the power output motor (12), a synchronous belt (19) is wound on the power gear, one end of the synchronous belt (19) is connected with the car assembly, the other end of the synchronous belt is wound on the counterweight (10), and the other end of the synchronous belt (19) is wound on the counterweight (18), and one end of the steel wire rope (18) is wound on the other end of the elevator assembly.

The device is characterized in that a bottom frame (21) is arranged at the bottom end of the well frame (1), the bottom frame (21) is arranged on a groined type framework (6), a plurality of cross beams (22) are arranged on one side of the well frame (1), guide rail components are fixedly arranged on the cross beams (22), the top end of the well frame (1) extends into a machine room (5) and is provided with a connecting frame (39), a speed limiting stopping device (13) is arranged on the connecting frame (39), the upper part of the guide rail component extends into the machine room (5), and a power output motor (12) is arranged at the upper end of the guide rail component;

the lower end of the connecting frame (39) is respectively provided with a first synchronous belt connecting buffer seat (150) for locking the rope end of the synchronous belt, and one side of the first synchronous belt connecting buffer seat (150) is provided with a first steel wire rope fixing opening (170) for fixing the end head of the steel wire rope;

the guide rail assembly comprises a secondary guide rail (24) and a main guide rail (25), wherein a plurality of cross beams (22) are provided with first fixing clamp seats (23), the secondary guide rail (24) is arranged between the first fixing clamp seats (23), a plurality of second fixing clamp seats (26) are arranged on the outer side of the secondary guide rail (24), a main guide rail (25) is arranged between the plurality of second fixing clamp seats (26), a counterweight (10) is arranged in the secondary guide rail (24) in a sliding manner, a roller guide shoe rack (27) is arranged in the main guide rail (25), a roller guide shoe (9) is arranged on the roller guide shoe rack (27), and the roller guide shoe rack (27) is connected with the back surface of the car assembly;

the counterweight (10) comprises a counterweight block (28), a sliding frame (29) is fixedly arranged on the upper portion of the counterweight block (28), first sliding grooves (30) are formed in two ends of the sliding frame (29), the first sliding grooves (30) are slidably arranged on the auxiliary guide rail (24), second synchronous belt connecting buffer seats (15) are respectively arranged on the sliding frame (29), and a second steel wire rope fixing opening (17) is formed in one side of each second synchronous belt connecting buffer seat (15).

2. A derrick elevator according to claim 1, characterized in that the carriages (29) are provided with a synchronous belt winding seat, respectively, which is a synchronous gear mechanism, which is provided on both sides of the carriages (29), respectively, and which comprises a gear seat (36) mounted on the carriages (29), the upper part of the gear seat (36) is provided with a wheel groove, in which a rotary shaft (37) is mounted, and the rotary shaft (37) is provided with a synchronous gear (38) in a sleeved manner.

3. A derrick elevator according to claim 2, characterized in that a wire rope winding seat (20) is arranged between the synchronous belt winding seats, the wire rope winding seat (20) comprises a rotating roller (34), rotating shafts seats (31) are arranged at two ends of the rotating roller (34), one end, close to the auxiliary guide rail (24), of each rotating shaft seat (31) is provided with a second sliding groove (32), the second sliding grooves (32) are slidably arranged on the auxiliary guide rail (24), two limiting sleeves are sleeved on the rotating shaft seat (31), a wire rope winding groove (35) is formed between the two limiting sleeves, and the side face of each rotating shaft seat (31) is fixedly connected with the side face of the sliding frame (29) through an L-shaped frame (33).

4. A derrick elevator according to claim 1, characterized in that the first synchronous belt connecting buffer seat (150) comprises a base (45), a toothed rope head clamping seat (40) is arranged on one side of the base (45), guide rods (41) penetrating through the base (45) are arranged on two sides of the toothed rope head clamping seat (40), a mounting positioning head (42) is arranged at the lower end of the guide rods (41), a limiting head (44) is arranged at the upper end of the guide rods, and a buffer spring (43) sleeved on the guide rods (41) is arranged at the lower end of the limiting head (44).

5. A derrick elevator according to claim 1, characterized in that the lower end of the underframe (21) is provided with a suspension (8), the lower end of the suspension (8) being mounted on the derrick structure (6), a mesh safety barrier (80) being provided around the suspension (8).

6. A derrick elevator according to claim 1, characterized in that the car module comprises a lifting frame (11), at least one side of the lifting frame (11) is provided with an opening, the other side is connected with a roller guide shoe rack (27), the upper end of the lifting frame (11) is respectively connected with the ends of a steel wire rope (18) and a synchronous belt (19), and a car body (14) is arranged in the lifting frame (11).